Ollama MCP Server

feat: add streaming support for chat completions Implemented real-time streaming capability for the chat completion API to: - Enable progressive output of long responses - Improve user experience with immediate feedback - Reduce perceived latency for large generations - Support interactive applications The streaming is implemented using Server-Sent Events (SSE) protocol: - Added SSE transport handler in OllamaServer - Modified chat_completion tool to support streaming - Configured proper response headers and event formatting - Added streaming parameter to API schema Testing confirmed successful streaming of: - Short responses (sonnets) - Long responses (technical articles) - Various content types and lengths Resolves: #123 (Add streaming support for chat completions)