Update package.json

Client/package.json

@@ -3,7 +3,10 @@
   "version": "1.0.0",
   "description": "Galaxy Strike Online - Space Idle MMORPG",
   "license": "MIT",
-  "author": "Korvarix Studios",
+  "author": {
+    "name": "Korvarix Studios",
+    "email": "contact@korvarixstudios.com"
+  },
   "type": "commonjs",
   "main": "electron-main.js",
   "homepage": "./",
@@ -115,7 +118,8 @@
         }
       ],
       "icon": "assets/icon.png",
-      "category": "Game"
+      "category": "Game",
+      "maintainer": "Korvarix Studios <contact@korvarixstudios.com>"
     },
     "nsis": {
       "oneClick": false,