Broken link to Slack community in readme

The link to the Slack community appears to be broken or no longer working.

Link from the readme: http://devtoolscommunity.herokuapp.com/

<img width="200" height="200" alt="Image" src="https://github.com/user-attachments/assets/a7c229ea-b7f7-4cf8-b5b6-508adb050e19" />