refs. https://github.com/TryGhost/Product/issues/3349
- highlighting current navigation item while scrolling
- highlighting current navigation in content area when clicking on the sidebar. Both are for better orientation
refs https://github.com/TryGhost/Product/issues/3349
- adds basic routing in adminX settings based on hash url path
- adds new routing provider that manages hash routing across adminX
- updates sidebar navigation to update route directly
- updates theme/design settings to update route for opening edit modals
refs. https://github.com/TryGhost/Product/issues/3545
Styles was not applied to AdminX Portal settings forms. Also a couple of new components had to be added for easer future form design and implementation.
