feat: Implement comprehensive UI/UX enhancements across TutorX platform

Implement AI tutoring and content generation tools for TutorX

Implement storage layer and adaptive learning tools for TutorX-MCP

Refactor TutorX MCP server to integrate Mistral OCR for document processing, update concept graph tools for LLM-driven responses, and enhance learning path generation with Gemini. Transitioned various tools to utilize LLM for improved educational interactions and streamlined API responses.

Added external tool integration,also with test files and documentation