Update metadata.json

Author: RKBoss6

apps/smartbatt/metadata.json

@@ -6,7 +6,7 @@
   "description": "Provides a `smartbatt` module that returns the battery in days, and learns from daily usage over time for accurate predictions.",
   "icon": "icon.png",
   "type": "module",
-  "tags": "tool,system",
+  "tags": "tool,system,clkinfo",
   "supports": ["BANGLEJS","BANGLEJS2"],
   "provides_modules" : ["smartbatt"],
   "readme": "README.md",