Refactor learning rate parameters and enhance dataset handling; added new CSV files for results and label mappings.

Enhance logging for learning rate, update CIFAR100 transformations, and improve confusion matrix plotting. Added DataFrame export for clustering results.

- Added pre-trained models for DINO and DINOv2 to backbone_store
- Updated .gitignore to exclude egg-info files
- Enhanced LinearHead to ensure new weights are initialized correctly
- Integrated Cosine Annealing LR Scheduler into pretraining and continual learning sessions
- Improved OOD accuracy computation with additional entropy and energy metrics