* subscription examples
* correcting parameter
* adding more text
* updating known issues and removing sub create gap
* correcting relative path + removing old examples
* adding policy sample
* Add known issue for Management Group API
* Update "Area:" to heading for consistency
* Update known issues introduction
* Add workaround and move to top of issues
* imporce navigation menu
* improve nav menu
* final test before PR
* improve navigation menu
* navigation menu ready for PR
* fix deploy landing zones links
* remove navigation menu
* remove navigation menu from all sites