Add a workflow to build a patch.exe

Author: timfel

.github/workflows/build_exe.yml

@@ -0,0 +1,27 @@
+name: Build patch exe for Windows
+
+on: workflow_dispatch
+
+jobs:
+  windows_exe:
+    name: Create windows executable
+    runs-on: windows-latest
+    steps:
+      - uses: ilammy/msvc-dev-cmd@v1
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.12
+          architecture: x64
+      - uses: Nuitka/Nuitka-Action@main
+        with:
+          nuitka-version: main
+          script-name: patch_ng.py
+          mode: onefile
+          output-dir: build
+          output-file: patch.exe
+       - uses: actions/upload-artifact@v4
+         with:
+           name: exe
+           path: build/patch.exe
+           include-hidden-files: true