Update mfp-app playlist with latest content.

Author: github-actions[bot]

README.md

@@ -4,6 +4,8 @@ A PWA version of [musicforprogramming.net](https://musicforprogramming.net).
 
 https://mfp-app.pages.dev/
 
+```bash
 python -m venv .venv
 source .venv/bin/activate
 pip install -r requirements.txt
+```