add windows build to CI

.github/workflows/rust.yml

@@ -24,3 +24,14 @@ jobs:
       run: cargo build --verbose
     - name: Run tests
       run: cargo test --verbose
+
+  build-windows:
+
+    runs-on: windows-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build
+      run: cargo build --verbose
+    - name: Run tests
+      run: cargo test --verbose