Switch to Github workflow

Author: Laurynas Butkus

.github/workflows/main.yml

@@ -0,0 +1,27 @@
+name: Build
+on: [push,pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - '2.7'
+          - '3.6'
+          - '3.7'
+          - '3.9'
+    name: Python ${{ matrix.python-version }} sample
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install -r test-requirements.txt
+      - env:
+          CONVERT_API_SECRET: ${{ secrets.CONVERTAPI_SECRET }}
+        run: nosetests