refactor: improve JSON data loading in app.py and enhance code readability by restructuring DataFrame column selection and formatting

feat: refactor app.py to load data from a JSONL file, enhance the leaderboard display, and improve the "About" section layout with new branding and community links. Remove outdated leaderboard_data.json file.

fix: replace anchor tags with image tags in the "About" section for better visual representation of comparison images

fix: update branding from InfraBench to InferBench in app.py for consistency across the platform

fix: update image links in the "About" section to point to relevant comparison images for improved clarity and accuracy

Update app.py to rename the leaderboard tab from "InfraBench Leaderboard" to "FLUX.1 [dev] Leaderboard" for improved clarity and alignment with project branding.

Update app.py to enhance the "About" section with new branding for Pruna AI, improve content clarity, and add an example image link. Reintroduce the citation section within an accordion for better organization.

Add citation section and community links to app.py

Refactor app.py to implement a new leaderboard for inference providers, focusing on cost, quality, and speed. Added data processing from a new CSV file and updated the Gradio interface. Removed unused modules and files to streamline the codebase.

Duplicate from demo-leaderboard-backend/leaderboard