docs: update toc in readme

Author: leefowlercu

README.md

@@ -19,6 +19,7 @@ A Go SDK for the [IBM ContextForge MCP Gateway](https://github.com/IBM/mcp-conte
   - [Managing Servers](#managing-servers)
   - [Managing Prompts](#managing-prompts)
   - [Managing Agents](#managing-agents)
+  - [Managing Teams](#managing-teams)
   - [Pagination](#pagination)
   - [Error Handling](#error-handling)
 - [API Methods Reference](#api-methods-reference)
@@ -28,6 +29,7 @@ A Go SDK for the [IBM ContextForge MCP Gateway](https://github.com/IBM/mcp-conte
   - [Servers Service](#servers-service)
   - [Prompts Service](#prompts-service)
   - [Agents Service](#agents-service)
+  - [Teams Service](#teams-service)
 - [Examples](#examples)
 - [Development](#development)
 - [Releasing](#releasing)