Add pre-commit configuration + GitHub Actions lint workflow

Author: akx

.github/workflows/lint.yml

@@ -0,0 +1,19 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  Lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.12"
+      - uses: pre-commit/[email protected]
+        env:
+          RUFF_OUTPUT_FORMAT: github

.pre-commit-config.yaml

@@ -0,0 +1,8 @@
+repos:
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.14
+    hooks:
+      - id: ruff
+        args:
+          - --fix
+      # - id: ruff-format  # TODO: enable when the time is right