Update app.py to specify server name and port when launching demo

Add random number generation feature in app.py and update UI with accordions for better organization. Remove unnecessary dependencies from requirements.txt.

Add docstring to brave_search function in app.py for better clarity and usage instructions

Fix app.py to launch demo with mcp_server set to True

Update .gitignore to include .env, modify app.py to load API key from environment variables, and update requirements.txt to add requests and python-dotenv.

Initial setup of the project structure and basic files.