Update messages.json

Author: justinfx

messages.json

@@ -2,5 +2,6 @@
     "2.0.0": "messages/2.0.0.txt",
     "2.1.0": "messages/2.1.0.txt",
     "2.2.0": "messages/2.2.0.md", 
-    "2.2.1": "messages/2.2.1.md"
+    "2.2.1": "messages/2.2.1.md", 
+    "2.3.0": "messages/2.3.0.md"
 }