Update README.md

Author: mulle-nat

README.md

@@ -2,7 +2,10 @@
 
 Check the [homepage](https://mulle-objc.github.io) for all your navigation needs around the mulle-objc project.
 
-### Questions ?
+### Become a member and get access to Discord
 
-Just open an issue on [https://github.com/mulle-objc/mulle-objc.github.io/issues](https://github.com/mulle-objc/mulle-objc.github.io/issues)
+[How to become a member ?](https://github.com/mulle-objc/mulle-objc.github.io/issues/1)
+
+### Any Questions ?
 
+Just open an issue on [https://github.com/mulle-objc/mulle-objc.github.io/issues](https://github.com/mulle-objc/mulle-objc.github.io/issues)