Add author field to metadata.json

Author: RKBoss6

apps/smartbatt/metadata.json

@@ -7,6 +7,7 @@
   "icon": "app.png",
   "type": "module",
   "tags": "tool,system,clkinfo",
+  "author":"RKBoss6",
   "supports": ["BANGLEJS","BANGLEJS2"],
   "provides_modules" : ["smartbatt"],
   "readme": "README.md",