CI: automatically create release, upload windows builds

.github/workflows/release_by_tag.yml

@@ -0,0 +1,66 @@
+
+on: 
+  push:
+    tags: [ "v*" ]
+
+permissions: write-all
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    outputs:
+      upload_url: ${{ steps.create_release.outputs.upload_url }}
+    steps:
+      - id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+
+  build-windows:
+    needs: release
+    strategy:
+      matrix:
+        arch: [ Win32, x64, ARM64 ]
+    runs-on: windows-2022
+    name: windows - ${{ matrix.arch }}
+    steps:
+      - uses: msys2/setup-msys2@v2
+        with:
+          update: true
+          install: >-
+            autoconf
+            automake
+            diffutils
+            libtool
+            gcc
+            git
+            patch
+            perl
+      - uses: actions/checkout@main
+      - shell: msys2 {0}
+        run: ./autogen.sh
+      - shell: cmd
+        run: cmake -Bbuild -G "Visual Studio 17 2022" -A ${{ matrix.arch }} -DCMAKE_INSTALL_PREFIX=local
+      - shell: cmd
+        run: cmake --build build --config Release
+      - shell: cmd
+        run: cmake --install build --config Release
+      - shell: pwsh
+        run: |
+          Compress-Archive -Path local\* local.zip
+
+      - name: upload release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ needs.release.outputs.upload_url }}
+          asset_path: local.zip
+          asset_name: windows-${{ matrix.arch }}-${{ github.ref }}
+          asset_content_type: application/zip
+