Update metadata.json

Author: only-meeps

apps/imc/metadata.json

@@ -5,7 +5,7 @@
   "version":"0.01",
   "allow_emulator": true,
   "description": "A tool for converting metric and imperial measurements",
-  "tags": "game",
+  "tags": "tool",
   "supports": ["BANGLEJS2"],
   "storage": [
     {"name":"imc.app.js","url":"app.js"},