Add a Makefile and a GH workflow which uses it

.github/workflows/pylint.yml

@@ -0,0 +1,16 @@
+name: Link Checks
+
+on:
+  push:
+    branches: [ main ]
+  pull_requests:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Fetch files
+        uses: actions/checkout@v3
+      - name: Run Pylint
+        run: make lint

Makefile

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+PYTHON_FILES=walk_pages.py compare_pages.py
+
+default:
+	@echo "Usage: make lint"
+
+lint:
+	for file in $(PYTHON_FILES); do \
+		echo "$$file:"; \
+		pylint $$file; \
+	done