Add TypeScript MCP Server Development Collection (#324)

* Add TypeScript MCP Server Development collection

- Add instructions for TypeScript MCP server development best practices
- Add prompt for generating complete TypeScript MCP server projects
- Add expert chat mode for TypeScript MCP development assistance
- Add collection grouping all TypeScript MCP resources together
- Update README files with new contributions

* Revert unintended change to power-bi-development.md

README.collections.md

@@ -31,3 +31,4 @@ Curated collections of related prompts, instructions, and chat modes organized a
 | [Tasks by microsoft/edge-ai](collections/edge-ai-tasks.md) | Task Researcher and Task Planner for intermediate to expert users and large codebases - Brought to you by microsoft/edge-ai | 3 items | architecture, planning, research, tasks, implementation |
 | [Technical Spike](collections/technical-spike.md) | Tools for creation, management and research of technical spikes to reduce unknowns and assumptions before proceeding to specification and implementation of solutions. | 2 items | technical-spike, assumption-testing, validation, research |
 | [Testing & Test Automation](collections/testing-automation.md) | Comprehensive collection for writing tests, test automation, and test-driven development including unit tests, integration tests, and end-to-end testing strategies. | 11 items | testing, tdd, automation, unit-tests, integration, playwright, jest, nunit |
+| [TypeScript MCP Server Development](collections/typescript-mcp-development.md) | Complete toolkit for building Model Context Protocol (MCP) servers in TypeScript/Node.js using the official SDK. Includes instructions for best practices, a prompt for generating servers, and an expert chat mode for guidance. | 3 items | typescript, mcp, model-context-protocol, nodejs, server-development |