feat: add pre-commit ci (#1824)

.github/workflows/pre-commit.yaml

@@ -0,0 +1,38 @@
+name: pre-commit
+
+on:
+  pull_request:
+    types: [labeled, opened, reopened, synchronize]
+  push:
+    branches: [main, test-me-*]
+
+jobs:
+  pre-commit:
+    if: "github.event.action != 'labeled' || github.event.label.name == 'pre-commit ci run'"
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - run: gh pr edit ${{ github.event.number }} --remove-label 'pre-commit ci run'
+      if: github.event.action == 'labeled' && github.event.label.name == 'pre-commit ci run'
+      env:
+        GH_TOKEN: ${{ github.token }}
+    - uses: actions/setup-python@v3
+      with:
+        python-version: '3.11'
+    - name: Install uv
+      uses: astral-sh/setup-uv@v5
+    - run: |
+        uv venv
+        source .venv/bin/activate
+        uv pip install -r py/rag-service/requirements.txt
+    - uses: leafo/gh-actions-lua@v11
+    - uses: leafo/gh-actions-luarocks@v5
+    - run: luarocks install luacheck
+    - name: Install stylua from crates.io
+      uses: baptiste0928/cargo-install@v3
+      with:
+        crate: stylua
+        args: --features lua54
+    - uses: pre-commit/action@v3.0.1
+    - uses: pre-commit-ci/lite-action@v1.1.0
+      if: always()