Add short description and links to readme

README.md

-# wilps-related-items
+# WILPS 2020 Project: Related Items
+
+This repository acts as the entrypoint for the Related Items project. It contains information for the overall project architecture
+as well as links to the different parts and respositories which are part of the Related Items project.
+
+Authors: Fabian Rausch and Felix Welter  
+(fabian.rausch@studium.uni-hamburg.de and felix.welter@studium.uni-hamburg.de)
+
+# Quick links
+
+[bigbluebutton-html5 client](https://gitlab.rrz.uni-hamburg.de/wilps20/html5-modifications/-/tree/related-items) (Use branch related-items)
+[kaldi-model-server](https://gitlab.rrz.uni-hamburg.de/wilps20/kaldi-model-server/-/tree/rtc-stream-docker) (Use branch rtc-stream-docker)
+[message-broker](https://gitlab.rrz.uni-hamburg.de/wilps20/message-broker)
+[relevant-terms-tagger](https://gitlab.rrz.uni-hamburg.de/wilps20/relevant-terms-tagger)
+[slide-index](https://gitlab.rrz.uni-hamburg.de/bay1620/slide-index)
+[elastic-search-middleware](https://gitlab.rrz.uni-hamburg.de/bay1620/elastic-search-middleware)
+[wikipedia-search-service](https://gitlab.rrz.uni-hamburg.de/wilps20/wikipedia-search-service)
 
-Entrypoint for the WILPS 2020 Related Items Project. General documentation and links to relevant repositories. 
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