Add titleSuccess variable for channel title change (#419)

* Add titleSuccess variable for channel title change

Add a variable to indicate success of title change.

* Set titleSuccess value to true

Update the value for titleSuccess to indicate success.

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Co-authored-by: Whipstickgostop <8366326+Whipstickgostop@users.noreply.github.com>

Author: rondhi

streamerbot/3.api/1.sub-actions/twitch/channel/set-channel-title.md

@@ -5,6 +5,12 @@ parameters:
   - name: Title
     type: Text
     description: Enter the new title for your stream
+variables:
+  - name: titleSuccess
+    type: bool
+    description: Whether or not the channel title was successfully changed
+    value: true
+    
 csharpMethods:
   - SetChannelTitle
 ---