Add docs.json docs

Author: ricardonunez-io

mint.json

@@ -61,7 +61,11 @@
           "icon": "pen-paintbrush",
           "pages": ["development", "web-editor"]
         },
-        "settings/global",
+        {
+          "group": "Global Settings",
+          "icon": "Wrench",
+          "pages": ["settings/global", "settings/docs-json"]
+        },
         "settings/navigation",
         "migration"
       ]