Mkdocs-material

* Switched to mdi/svg Material Design icon package
* Fixed 1655: Navigation may disappear after switching viewports
* Fixed 1659: Unnecessary scrollbar for search results on Windows
* Fixed occasional distortions for images with explicit dimensions
* Fixed errors in German translations

* Fixed overflowing content area after switch to flexbox

* Added status information to search observable
* Added status information to search modal
* Removed announcement bar from print media
* Removed media query packing logic due to race conditions
* Fixed 1520: Gracefully disable search on file:// if Worker fails
* Fixed re-submission of query after search is initialized
* Fixed jitter of sidebars on all browsers by switching to sticky

* Added new FontAwesome icons
* Fixed 1609: Instant loading doesn't honor target=_blank
* Fixed GitHub stars count rounding errors
* Fixed GitLab stars count retrieval

* Added support for icons from Markdown through mkdocs-material-extensions

* Added CSS source maps to distribution files
* Fixed errors in Chinese (Traditional) translations
* Fixed creation of stale directory on installation from git
* Improved overflow scrolling behavior on iOS (reduced bundle size by 4kb)