Add pre-commit gha workflow

Author: Eijebong

.github/workflows/pre-commit.yml

@@ -0,0 +1,21 @@
+---
+name: "Pre-commit"
+on:
+  pull_request:
+  push:
+    branches: [main]
+jobs:
+  pre-commit:
+    name: Run pre-commit
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+      - run: python -m pip install pre-commit
+        shell: bash
+      - uses: actions/cache@v4
+        with:
+          path: ~/.cache/pre-commit
+          key: pre-commit-${{ hashFiles('.pre-commit-config.yaml') }}
+      - run: pre-commit run --show-diff-on-failure --color=always -a
+        shell: bash