Added spoiler support.

src/app/channel/commandPreprocessor.js

@@ -131,6 +131,17 @@ class commandProcessor{
         return true
     }
 
+    spoiler(preprocessor){
+        //splice out our command
+        preprocessor.commandArray.splice(0,2);
+
+        //Mark out the current message as a spoiler
+        preprocessor.chatType = 'spoiler';
+
+        //Make sure to throw the send flag
+        return true
+    }
+
     async announce(preprocessor){
         //Get the current channel from the database
         const chanDB = await channelModel.findOne({name: preprocessor.socket.chan});