GitHub actions workflow added

.github/workflows/main.yml

@@ -0,0 +1,35 @@
+name: build
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  win:
+    name: "Windows Build"
+    runs-on: windows-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        
+      - name: Build project
+        id: build_project
+        shell: pwsh
+        working-directory: ${{ github.workspace }}
+        run: |
+          mkdir build
+          cd build
+          cmake ..
+          cmake --build . --config RelWithDebInfo
+
+      - name: Collect outputs
+        run: |
+          mkdir _output
+          cp build/bin/* _output
+
+      - name: Upload
+        uses: actions/upload-artifact@v4
+        with:
+          name: output_win
+          path: _output