* list sub group of a group using the id
* introduced group bread crumb component to render
this builds up the groups as you click to subgroups
* added deeplinking
* fixed route config types
* fixed new realm prefix
* added null checks for if group not found
* changed labes to groups
* remove circular dependency on realm context
* added realm as a param of the url
* updated links to include realm
* null !== undefined
* set realm if realm in url
* fixed breadcrumb type
* fixed tests
* addressed pr review comments
