Add GitHub Action support.

.github/workflows/BuildBinaries.yml

@@ -0,0 +1,32 @@
+name: Build Binaries
+
+on:
+  push:
+    paths-ignore:
+      - '.github/*'
+      - '*.md'
+  pull_request:
+    paths-ignore:
+      - '.github/*'
+      - '*.md'
+
+jobs:
+  build:
+    runs-on: windows-latest
+    env:
+      POWERSHELL_TELEMETRY_OPTOUT: 1
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: 'recursive'
+    - uses: microsoft/setup-msbuild@v2
+    - name: Clear local NuGet cache (workaround for failed restores on windows-latest)
+      run: dotnet nuget locals all --clear
+    - name: Build
+      run: msbuild BuildAllTargets.proj
+    - name: Prepare artifacts
+      run: rm Output\Binaries\* -vb -Recurse -Force -Include *.exp, *.idb, *.ilk, *.iobj, *.ipdb, *.lastbuildstate, *.lib, *.obj, *.res, *.tlog
+    - uses: actions/upload-artifact@v4
+      with:
+        name: Mile.Cirno_CI_Build
+        path: Output\Binaries