Added new CLI command to modify Enterprise Geocoding Global database resource

Use the egmglobaldb modify command to modify an existing Enterprise Geocoding Global database resource.

1. Export the database resource.
2. Update the new path in “egmGlobalDbResource.txt”
3. Modify or update the database using the following command (specifying the full path to "egmGlobalDbResource.txt").

   egmglobaldb modify .\egmGlobalDbResource.txt