Small Improvements for the new plugin.json code

plugins/example-plugin/plugin.json

@@ -3,6 +3,7 @@
     "id":"example-plugin",
     "version":"1.0.0",
     "startFile":"index.ts",
+    "supportedVersions":["OTv4.0.x","OTv4.1.x"],
 
     "enabled":false,
     "priority":0,
@@ -14,9 +15,7 @@
 
     "details":{
         "author":"DJj123dj",
-        "authors":["DJj123dj"],
         "contributors":[],
-        "versions":["OTv4.0.x","OTv4.1.x"],
         "shortDescription":"A simple template for an Open Ticket v4 plugin!",
         "longDescription":"A simple example of an Open Ticket v4 plugin!",
         "imageUrl":"",