Update requirements.txt to include sse-starlette dependency, enhance serve.py with additional imports for FastLanguageModel and FastVisionModel, and refactor train.py for improved organization and memory tracking during model training.

Add serve.py for model deployment and API integration, update requirements.txt for smolagents with vllm support, and enhance .gitignore to exclude memory snapshot files. Additionally, implement testing configuration in config.yaml and modify train.py for memory tracking and model saving in VLLM format.