Add notice about sponsor (NETWAYS#197)

We have the first sponsor who aggreed to be mentioned with their name!
Here's a way to show them our appreciation.

Author: widhalmt

NOTICE.md

@@ -0,0 +1,7 @@
+# Notice and Acknowledgements #
+
+## Sponsoring ##
+
+Here's a list of sponsors who contributed by having the collection improved via outsourcing to NETWAYS.
+
+* CID GmbH : Thank you so much for sponsoring. Especially the feature to have different types of Elasticsearch nodes in the cluster.