feat: implement blog project with CI pipeline

scripts/clean_cache.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+set -e
+
+echo "Cleaning Python cache files..."
+
+find . -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
+
+find . -type f -name "*.pyc" -delete 2>/dev/null || true
+
+find . -type f -name "*.pyo" -delete 2>/dev/null || true
+
+rm -rf .pytest_cache/ 2>/dev/null || true
+
+rm -rf .mypy_cache/ 2>/dev/null || true
+
+rm -rf .ruff_cache/ 2>/dev/null || true
+
+rm -f .coverage 2>/dev/null || true
+rm -rf htmlcov/ 2>/dev/null || true
+
+echo "✓ Cache cleaned"