* Changed desktopgroupif from string to int

Changed desktopgroupif from string to int

* Added new tab for icon managment

Updated code to handle icon management from new tab and clean up a few methods for better code reading

* Added new save icon as a resource

Added new save icon as a resource

* Added new save icon as a resource

Added new save icon as a resource

* Added code to update an existing resource

Updated code to allow for the user to update an existing published content

* Updated readme with the new screenshots and content

Added new screenshots and content explaining the icon management tab.