Add rust check workflow.

.github/workflows/rust.yml

@@ -0,0 +1,17 @@
+name: Rust
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+env:
+  CARGO_TERM_COLOR: always
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Build
+      run: cargo check --verbose --features lua51,module
+    - name: Run tests
+      run: cargo test --verbose --features lua51