feat: add lua linting

.github/workflows/lint.yml

@@ -0,0 +1,17 @@
+name: lint
+on: [pull_request, workflow_dispatch]
+jobs:
+  lua:
+    strategy:
+      matrix:
+        version: [stable, nightly]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Check formatting
+        uses: JohnnyMorganz/stylua-action@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          version: latest
+          args: --check .