Adding support for StreamableHTTP transport transport for MCP servers, providing bidirectional communication over
HTTP with streaming support.

Features

• Session management
• Implementation for server termination (DELETE)
• Includes support for JSON and SSE response modes
• Handles Related request IDs for notifications like logging and progress
• Example of a server with tool notifications

Follow ups

• Suport stateless mode
• Support GET SSE
• Streamable Http Client

#443