win64: Add github action creaton of win64 binary

.github/workflows/windows.yml

@@ -0,0 +1,68 @@
+name: Build windows application
+run-name: windows
+on:
+  push:
+    tags:
+      - "*"
+jobs:
+  build:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { sys: mingw64, env: x86_64 }
+    steps:
+    - uses: msys2/setup-msys2@v2
+      with:
+        msystem: ${{matrix.sys}}
+        update: true
+        install: >-
+          git
+          make
+          zip
+          unzip
+          mingw-w64-${{matrix.env}}-curl
+          mingw-w64-${{matrix.env}}-ffmpeg
+          mingw-w64-${{matrix.env}}-gcc
+          mingw-w64-${{matrix.env}}-make
+          mingw-w64-${{matrix.env}}-openal
+          mingw-w64-${{matrix.env}}-SDL2
+          mingw-w64-${{matrix.env}}-vulkan-headers
+          mingw-w64-${{matrix.env}}-wget
+    - name: Check out repository code
+      uses: actions/checkout@v4
+    - name: Build Release code
+      shell: msys2 {0}
+      run: |
+        make
+    - name: Create release package
+      shell: msys2 {0}
+      run: |
+        # copy docs
+        cp -rv stuff/mapfixes/* LICENSE README.md doc release/
+        # static ffmpeg
+        wget -c https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2023-11-30-12-55/ffmpeg-n6.0.1-win64-lgpl-shared-6.0.zip
+        unzip -o ffmpeg-n6.0.1-win64-lgpl-shared-6.0.zip
+        cp ffmpeg-n6.0.1-win64-lgpl-shared-6.0/bin/*.dll release/
+        # static SDL2
+        wget -c https://github.com/libsdl-org/SDL/releases/download/release-2.28.5/SDL2-2.28.5-win32-x64.zip
+        unzip -o SDL2-2.28.5-win32-x64.zip
+        cp SDL2.dll release/
+        # static openal
+        wget -c https://www.openal-soft.org/openal-binaries/openal-soft-1.23.1-bin.zip
+        unzip -o openal-soft-1.23.1-bin.zip
+        cp openal-soft-1.23.1-bin/bin/Win64/soft_oal.dll release/OpenAL32.dll
+        # static curl
+        wget -c https://curl.se/windows/dl-8.5.0_3/curl-8.5.0_3-win64-mingw.zip
+        unzip -o curl-8.5.0_3-win64-mingw.zip
+        cp curl-8.5.0_3-win64-mingw/bin/libcurl-x64.dll release/curl.dll
+        # create archive
+        mkdir yquake2remaster-${{matrix.env}}-${{github.ref_name}}
+        cp -rv release/* yquake2remaster-${{matrix.env}}-${{github.ref_name}}
+        zip -9r yquake2remaster-${{matrix.env}}-${{github.ref_name}}.zip yquake2remaster-${{matrix.env}}-${{github.ref_name}}
+    - name: Upload Release Asset
+      uses: softprops/action-gh-release@v1
+      with:
+        files: |
+          yquake2remaster-${{matrix.env}}-${{github.ref_name}}.zip