[mention-bot] add user to blacklist

Author: MartijnKaijser

.mention-bot

@@ -3,7 +3,7 @@
  "numFilesToCheck": 5, 
  "message": "@pullRequester, thank you for submitting your add-on to the official Kodi repository. Please give us some time to review your add-on code to make sure it's following our guideliness according to http://kodi.wiki/view/Add-on_rules Should you make any changes to the pull-request always squash the commits and force push to your branch.",
  "findPotentialReviewers": false, 
- "userBlacklist": [], 
+ "userBlacklist": [ "FernetMenta" ],
  "userBlacklistForPR": [], 
  "requiredOrgs": [], 
  "actions": ["opened"],