feat: add helpful error suggestions for YouTube bot detection

feat: add YouTube cookie authentication support to bypass bot detection

fix: add anti-bot measures and better YouTube error handling

docs: update deployment URLs with Scraper API

fix: add .python-version to force Python 3.11 on Render

fix: pin Python to 3.11 for Pydantic v1 compatibility

fix: downgrade to Pydantic v1 to avoid Rust compilation on Render

fix: remove supabase dependency causing Rust build error on Render

feat: add pydantic to requirements for Render deployment

feat: add Procfile for Railway deployment

update to dynamic scraper api

remove documentations

fix again

fix vercel.json

fix: unignore frontend/lib and add Vercel config