updated readme

Author: fquirin

README.md

@@ -1,4 +1,5 @@
 # SEPIA Teach-Server
+Part of the [SEPIA Framework](https://sepia-framework.github.io/)  
 
 This server exposes the Teach-API to the framework and is responsible for adding new stuff to the assistant like custom answers and commands. It can also collect feedback to improve SEPIA.
-Usually the Teach-API is accessed via a user-friendly, graphical interface inside one of the cross-platform-clients called Teach-UI.
+Usually the Teach-API is accessed via a user-friendly, graphical interface inside one of the [cross-platform-clients](https://github.com/SEPIA-Framework/sepia-html-client-app) called Teach-UI.