AVRO-3731: [gradle-avro-plugin] Integrate software donation of gradle-avro-plugin

.github/workflows/gradle-compatibility.yml

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+
+name: Gradle Compatibility Tests
+on: [ pull_request ]
+jobs:
+  test:
+    name: "Compatibility: gradle ${{ matrix.gradle }}, java ${{ matrix.java }}, avro ${{matrix.avro}}"
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        avro: [ "1.12.0" ]
+        gradle: [ "8.14" ]
+        java: [ "17" ]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: "zulu"
+          java-version: ${{ matrix.java }}
+      - uses: gradle/gradle-build-action@v2
+        with:
+          build-root-directory: lang/java/gradle-plugin
+          gradle-executable: lang/java/gradle-plugin/gradlew
+          arguments: testCompatibility -PavroVersion=${{ matrix.avro }} -PgradleVersion=${{ matrix.gradle }}

.github/workflows/gradle-plugin-build.yml

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+
+name: Gradle plugin build
+on: [ pull_request ]
+jobs:
+  build:
+    name: "Build Gradle plugin"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+      - name: debug pwd
+        run: |
+          echo "pwd:"
+          pwd
+          echo "ls"
+          ls -la
+      - name: Execute Gradle build
+        working-directory: lang/java/gradle-plugin
+        run: ./gradlew build

.github/workflows/gradle-wrapper-validation.yml

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+
+# See https://github.com/marketplace/actions/gradle-wrapper-validation
+name: "Validate Gradle Wrapper"
+on: [ pull_request ]
+
+jobs:
+  validation:
+    name: "Validation"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gradle/actions/wrapper-validation@v3

.github/workflows/java-compatibility.yml

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+
+# See https://docs.gradle.org/current/userguide/compatibility.html
+name: Gradle Java Compatibility Tests
+on: [ pull_request ]
+jobs:
+  java17:
+    name: "Compatibility: java ${{ matrix.java }}/gradle ${{ matrix.gradle }}"
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        avro: [ "1.12.0" ]
+        gradle: [ "8.14" ]
+        java: [ "17" ]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: "zulu"
+          java-version: ${{ matrix.java }}
+      - uses: gradle/gradle-build-action@v2
+        with:
+          build-root-directory: lang/java/gradle-plugin
+          gradle-executable: lang/java/gradle-plugin/gradlew
+          arguments: testCompatibility -PavroVersion=${{ matrix.avro }} -PgradleVersion=${{ matrix.gradle }}
+  java-ea:
+    name: "Compatibility: java ${{ matrix.java }}/gradle ${{ matrix.gradle }}"
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        avro: [ "1.12.0" ]
+        gradle: [ "8.14" ]
+        java: [ "21" ]
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: "zulu"
+          java-version: ${{ matrix.java }}
+      - uses: gradle/gradle-build-action@v2
+        continue-on-error: true
+        with:
+          build-root-directory: lang/java/gradle-plugin
+          gradle-executable: lang/java/gradle-plugin/gradlew
+          arguments: testCompatibility -PavroVersion=${{ matrix.avro }} -PgradleVersion=${{ matrix.gradle }}

.github/workflows/os-compatibility.yml

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+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+
+name: OS Compatibility
+on: [ pull_request ]
+jobs:
+  build:
+    name: "Compatibility: ${{ matrix.os }}"
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        java: [ "17" ]
+        os: [ ubuntu-latest, windows-latest, macOS-latest ] # All supported OS
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: zulu
+          java-version: ${{ matrix.java }}
+      - uses: gradle/gradle-build-action@v2
+        with:
+          build-root-directory: lang/java/gradle-plugin
+          gradle-executable: lang/java/gradle-plugin/gradlew
+          arguments: test

lang/java/gradle-plugin/.editorconfig

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+# EditorConfig is awesome: http://EditorConfig.org
+
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+indent_style = space
+indent_size = 4
+
+[*.yml]
+indent_size = 2