feat: Add Prompt Engineer chat mode to README

README.md

@@ -69,8 +69,8 @@ Custom chat modes define specific behaviors and tools for GitHub Copilot Chat, e
 - [Debug Mode Instructions](chatmodes/debug.chatmode.md) - Debug your application to find and fix a bug
 - [Planning mode instructions](chatmodes/planner.chatmode.md) - Generate an implementation plan for new features or refactoring existing code.
 - [PostgreSQL Database Administrator](chatmodes/postgresql-dba.chatmode.md) - Work with PostgreSQL databases using the PostgreSQL extension.
+- [Prompt Engineer](chatmodes/prompt-engineer.chatmode.md)
 - [Refine Requirement or Issue Chat Mode](chatmodes/refine-issue.chatmode.md) - Refine the requirement or issue with Acceptance Criteria, Technical Considerations, Edge Cases, and NFRs
-- [Prompt Engineering Chat Mode](chatmodes/prompt-engineer.chatmode.md) - Refines a given prompt, based on an OpenAIs prompt crafting techniques.
 
 > 💡 **Usage**: Create new chat modes using the command `Chat: Configure Chat Modes...`, then switch your chat mode in the Chat input from _Agent_ or _Ask_ to your own mode.
 
@@ -106,4 +106,4 @@ This project may contain trademarks or logos for projects, products, or services
 trademarks or logos is subject to and must follow
 [Microsoft's Trademark & Brand Guidelines](https://www.microsoft.com/en-us/legal/intellectualproperty/trademarks/usage/general).
 Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship.
-Any use of third-party trademarks or logos are subject to those third-party's policies.
+Any use of third-party trademarks or logos are subject to those third-party's policies.