Refactor AxiomAgent model initialization and update MCP server configuration to include Tavily MCP with environment variable support

Update Axiom model for Agent and Assistant Mode

feat: Enhance AxiomAgent initialization and update prompts for improved user experience

feat: Improve chainlit UI by adding more customization

feat (auth): Add Google and Github authentication in chainlit app

Add icons/images and configure theme

feat: Refactor Chainlit UI to load and manage MCP servers dynamically with improved error handling and logging

feat: create Chainlit app for using agent.