OOC <-> Discord link. (#201)

Content.Server/Interfaces/Chat/IChatManager.cs

@@ -17,5 +17,7 @@ namespace Content.Server.Interfaces.Chat
         void EntitySay(IEntity source, string message);
 
         void SendOOC(IPlayerSession player, string message);
+
+        void SendHookOOC(string sender, string message);
     }
 }

Content.Server/Interfaces/IMoMMILink.cs

@@ -0,0 +1,7 @@
+namespace Content.Server.Interfaces
+{
+    public interface IMoMMILink
+    {
+        void SendOOCMessage(string sender, string message);
+    }
+}