* allow mounting of gcp secrets engine
* add models for azure auth method
* add azure as a mountable auth method
* make dev CSP more like built-in CSP
* id -> ID
* add hasSentinel to the version service
* use hasSentinel instead of features directly
* type='button' strikes again
* pass url param in tab links to ensure hrefs are updated
* 404 when the item_type is invalid for the identity route
