Add Windows build workflow

.gitea/workflows/release-win.yml

@@ -0,0 +1,35 @@
+name: Windows build & release
+
+on:
+  push:
+    tags:
+      - '*'
+  workflow_dispatch:
+  
+jobs:
+  build:
+    runs-on: 'windows-latest'
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup Python 3.12
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.12'
+
+    - name: Install uv
+      run: |
+        pip install uv
+
+    - name: Build executable
+      run: uv run pyinstaller build-win.spec
+
+    # - name: Create ZIP archive
+    #   run: Compress-Archive -Path ./dist/wunderland-generator.exe -Destination ./dist/wunderland-generator.zip
+
+    # - name: Release ZIP archive
+    #   uses: softprops/action-gh-release@v1
+    #   with:
+    #     files: ./dist/wunderland-generator.zip
+    #   env:
+    #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}