updated readme, ruff formatted all files

Cleaned up code, added multiseed training wrapper, PyTorch profiler training option, updated gradio demo, made changes to research paper to match new changes and new training results from adding new training techniques, architecture.md now explains all designs and decisions

Fix Gradio demo metrics display and visualization script MLflow URI

Minor fixes to Gradio and visualization scripts

Improve emotion task architecture and fix visualizations

Clean up codebase and fix training bugs

Update LexiMind: improved training, model architecture, and evaluation