This commit adds support for generating pages that document
special Angular elements, such as `ng-content` and `ng-template`,
which have special behavior in Angular but are not directives nor
components.
Resolves#41273
PR Close#41299
* The first paragraph is now split off into the `shortDescription` property.
* Usage of `howToUse` and `whatItDoes` have been updated.
* The "Overview" heading for class is removed as it is self-evident
* The original horizontal rule styling below the main heading is removed as not part of the new design
Closes#22385
PR Close#22401
Includes:
* display ToC for API docs
* update dgeni-packages to 0.24.1
* add floating sidebar in API docs
* add breadcrumbs and structured data for Google crawler
* improved rendering of method overloads
* properties rendered in a table
* params rendered with docs
* removal of outdated "infobox" from all API docs
PR Close#21874
- Moved info bar section in pipe template to be the first section to match other templates
- Fixed label styling for type label
- Added label styling for status label
Pete Bacon Darwin
Stefanie Fluin