GitHub Actions: Lint Python code only for SyntaxErrors

Turn off 800+ lint rules to only look for Python SyntaxErrors.
* https://docs.astral.sh/ruff

Author: cclauss

.github/workflows/ci.yml

@@ -0,0 +1,18 @@
+# This Action uses minimal steps to run in ~5 seconds to rapidly:
+# lint Python code using ruff which provides intuitive GitHub Annotations to contributors.
+# https://docs.astral.sh/ruff/
+
+name: ci
+on:
+  push:
+    # branches: [main]
+  pull_request:
+    # branches: [main]
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: astral-sh/ruff-action@v3
+      with:
+        args: check --ignore=ALL  # Turn off 800+ lint rules to only look for Python SyntaxErrors.