fix for nimInAction

tests/niminaction/Chapter3/ChatApp/src/client.nim

@@ -1,3 +1,7 @@
+discard """
+action: compile
+"""
+
 import os, threadpool, asyncdispatch, asyncnet
 import protocol
 

tests/niminaction/Chapter3/ChatApp/src/server.nim

@@ -1,3 +1,7 @@
+discard """
+action: compile
+"""
+
 import asyncdispatch, asyncnet
 
 type
@@ -81,4 +85,4 @@ when isMainModule:
   echo("Server initialised!")
   # Execute the ``loop`` procedure. The ``waitFor`` procedure will run the
   # asyncdispatch event loop until the ``loop`` procedure finishes executing.
-  waitFor loop(server)
+  waitFor loop(server)