Initial commit: YouTube Music playlist creator for Core Fest 2025

- Add playlist creation script with browser authentication
- Support for 17 festival bands with top 3 songs each
- Includes setup documentation and requirements
- Fixes OAuth detection issue by adding dummy authorization header

.gitignore

@@ -0,0 +1,24 @@
+# Browser authentication file (contains sensitive cookies)
+browser.json
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+venv/
+ENV/
+.venv
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+