docs: add Python Frameworks heading above framework scope note

Author: CodeSigils

README.md

@@ -68,6 +68,8 @@ risky in this Python code?”
 
 ---
 
+## Python Frameworks
+
 > **Framework projects (Django, FastAPI, Flask, etc.):** This skill provides a
 > solid generic Python foundation — uv, ruff, mypy, pytest, CI matrix,
 > `.gitignore` — but does not know framework-specific conventions (project