Enhance Gradio app with new filtering and plotting functionalities, improve model submission process, and restructure tabs for better user experience

Refactor Gradio app to enhance leaderboard functionality, improve model response search, and streamline model submission process

Add plotting functionality for section results in Gradio app

Enhance Gradio app with dataset loading error handling, new model submission feature, and improved tab structure

Add Gradio interface for LLM benchmarking and evaluation submission

initial commit

Duplicate from demo-leaderboard-backend/leaderboard