update readme

README.md

@@ -9,3 +9,10 @@ four key concepts
 - messages: encrypted or raw data in text or string format (the only supported data type) sent from a source peer to a target peer
 - peers:  users with two pairs of asymmetrical keys (one for authentication & one for encryption) registered in a node
 - nodes: instances of the software that manage messages & peers; nodes can connect to each other to form a network, authenticate peers (directly or indirectly), exchange data about themselves & their peers & act on behalf of other peers if necessary
+
+## how to
+the swagger client can be used for now; don't have a plan (& urge) to right a user interface
+
+## when
+these should be done in order to have an rc release (could be updated)
+- integration tests