update sheet.json

inserted a link to a documentation for this sheet

Aborea/sheet.json

@@ -4,5 +4,5 @@
     "authors": "Scaby79",
     "roll20userid": "603614",
     "preview": "aborea.png",
-    "instructions": "# Character Sheet\r This is a character sheet for the german rpg ABOREA. It was inspired by the Pathfinder character sheet of the roll20 community. At this time the only available language is german. However if there is a need for this sheet in another language, please let me know.\r\r##  Adjustments\r Unfortunately in this first version of the character sheet you have to make some adjustments to get the full potential of the sheet:\r\r* Autocalculation fields: for the autocalculation you need the \"Aborea Character Sheet AutoCalculations.js\" to run (roll20 PRO user only). If you are a no PRO user at roll20 you can set the fields that are normally calculated manually at the last red tab in the sheet by yourself.\r* Calling for aid: If you encounter any problems, please let me know and I'll try to help you."
+    "instructions": "# Character Sheet\r This is a character sheet for the german rpg ABOREA. It was inspired by the Pathfinder character sheet of the roll20 community. At this time the only available language is german. However if there is a need for this sheet in another language, please let me know.\r\r##  Adjustments\r Unfortunately in this first version of the character sheet you have to make some adjustments to get the full potential of the sheet:\r\r* Autocalculation fields: for the autocalculation you need the \"Aborea Character Sheet AutoCalculations.js\" to run (roll20 PRO user only). If you are a no PRO user at roll20 you can set the fields that are normally calculated manually at the last red tab in the sheet by yourself. \r\r##  Getting help\r  \r* Please read the Character Sheet Documentation for this Sheet: https://wiki.roll20.net/Aborea_Character_Sheet. \r* If you encounter any problems, please let me know and I'll try to help you: https://app.roll20.net/users/603614/scaby79."
 }