docs: add Teams Bot to readme

legacy/readme.md

@@ -202,6 +202,7 @@ All of these awesome projects are built using the `chatgpt` package. 🤯
 - [Matrix Bot](https://github.com/jakecoppinger/matrix-chatgpt-bot)
 - [Rental Cover Letter Generator](https://sharehouse.app/ai)
 - [Assistant CLI](https://github.com/diciaup/assistant-cli)
+- [Teams Bot](https://github.com/formulahendry/chatgpt-teams-bot)
 
 If you create a cool integration, feel free to open a PR and add it to the list.