refactor: Remove unnecessary sleep calls during scrolling in crawl functions

fix: Update cache directory and add auth token for PlaywrightCache initialization

Add delay options for tweet crawling and update cache metadata filename

Fix environment variable for ACCESS_TOKEN and remove obsolete Twitter cache test file

Enhance error handling in crawl functions with retry logic and backoff for timeouts and rate limits

Refactor scroll behavior in crawl functions and update scroll_down to remove smooth scrolling

Update cache metadata filename format and clear cache on load failure

Implement caching system for network requests and enhance logging setup

Update default search_tab value to "TOP" in crawl and crawl_buffer functions

Update requirements.txt to reflect changes in package dependencies

Update README.md to reflect correct search keyword in CLI and library examples

Fix username extraction in crawl_buffer function to use user core data

Refactor crawl function to improve user data extraction and reduce timeout duration in scrolling

Refactor imports and enhance logging functionality; update .gitignore to exclude output files

Update .gitignore to include comprehensive exclusions for various file types and directories