add build workflow

.github/workflows/release-windows.yml

@@ -0,0 +1,33 @@
+name: Release - Windows
+
+on:
+  push:
+    branches: [ main, master ]
+
+jobs:
+  build-windows:
+    name: Build and upload release artifact (Windows)
+    runs-on: windows-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Cache cargo registry and git index
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Install Rust
+        run: choco install rust-ms -y
+
+      - name: Build (release)
+        run: cargo build --workspace --release
+
+      - name: Upload release artifact (Windows)
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-windows
+          path: target/release