Moved the resume PDF from docs/about to docs/assets and updated the iframe src in resume.md accordingly. Changed the default for AI_SUMMARY_LOCAL_ENABLED to 'false' in ai_summary.py. Updated .ai_cache with new summary and service config timestamp.
Added a new blog post on how to add friend links in MkDocs. Updated resume and design pages with improved iframe styling. Enhanced link.md with new friend links and adjusted HR color. Introduced extra2.css for additional styles. Updated tag page title and tips, and modified mkdocs.yml to include new blog and stylesheet. Added Python bytecode cache files for hooks.
