Update README.md

Added help system contribution section

README.md

@@ -105,3 +105,7 @@ However, if you want to download the latest release AS SOON AS the project is bu
 ## Stay in touch
 
 Be sure to [follow our official subreddit](https://reddit.com/r/DISMTools) for release announcements and other cool stuff. Also, check out the [My Digital Life discussion](https://forums.mydigitallife.net/threads/discussion-dismtools.87263/) to know about features being worked on.
+
+## Contribute to the help system
+
+We want your help to build a great help system for DISMTools. If you want to contribute to it, you can read more [here](https://github.com/CodingWonders/dt_help).