Clean up codebase and fix training bugs

Update LexiMind: improved training, model architecture, and evaluation

Fix Pylance type errors, add inductor compilation support

Full training run, code cleanup, mypy/ruff fixes

updated test to mock greedy_decode correctly

feat: Add FLAN-T5 compatibility with relative position bias

Build: Pin ruff to v0.4.4 in pre-commit to match CI

Chore: Update pre-commit hooks and fix formatting

Style: Apply ruff formatting

Style: Fix linting errors and organize imports (ruff & mypy)

Refactor: Consolidate dependencies, improve testing, and add CI/CD

chore: snapshot current refinements

Finsihed Decoder Implementation, as well as prediction heads and multitask

Implemented the following parts for the Transformer model: poisional_encoding, feedfoward, encoder, and skeleton of decoder. As well as Test cases for each class respectively and visualizations

Implemented ScaledDotProduct Attention and Multi-Head Attention

Reformatted Project Structure