Change admin settings tab for maps

- Rename map settings keys
- Add fields for latitude, longitude and zoom
- Add a callout message on how to enable map feature

config/locales/en/admin.yml

@@ -1188,6 +1188,7 @@ en:
             update: Map configuration updated succesfully.
           form:
             submit: Update
+          how_to_enable: 'To show the map to users you must enable "Proposals and budget investments geolocation" on "Features" tab.'
       setting: Feature
       setting_actions: Actions
       setting_name: Setting