Update Red Grid MGRS

Author: dkhamsing

contents.json

@@ -34002,11 +34002,11 @@
       "title": "Red Grid MGRS",
       "description": "DAGR-class military GPS navigator with live MGRS coordinates, magnetic declination, waypoints, tactical tools & report templates",
       "category-ids": [
-        "misc"
+        "location"
       ],
       "source": "https://github.com/RedGridTactical/RedGridMGRS",
   "itunes": "https://apps.apple.com/app/id6759629554",
-      "license": "mit",
+      "license": "other",
       "tags": [
         "javascript", "react-native", "expo"
       ],