chore: add pre-commit workflow

Author: dunderrrrrr

.github/workflows/pre-commit.yml

@@ -0,0 +1,19 @@
+name: "pre-commit"
+on: 
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/setup
+      - name: Install pre-commit
+        run: uv pip install pre-commit
+      - name: Run pre-commit
+        run: |
+          source .venv/bin/activate
+          pre-commit run --all-files