Added more to API docs.

README.md

@@ -5,13 +5,22 @@ Tag-based asynchronous messaging framework
 
 ## Usage
 
-The entry point is via the `Manager` type, so first create an instance as follows (passing the endpoint `Socket` in as `socket` in this example)
+The entry point is via the `Manager` type, so first create an instance as follows (passing the endpoint `Socket` in as `socket` in this example):
 
 ```d
 Manager manager = new Manager(socket);
 ```
 
-Now the event loop would have started.
+Now the event loop would have started, now we are ready to send out some tagged messages and blocking receive for them!
+
+Let's send out two messages with tags `1` and `2`:
+
+```d
+manager.sendMessage(1, [1,2,3,4,5]);
+manager.sendMessage(2, [6,7,8,9,0]);
+```
+
+Now we can start two seperate threads and wait on them both:
 
 **TODO**