Update examples (#33214)

* Add updated Jumbotron example made from utilities

* Update starter template example with new design and links

* Update some existing examples and their screenshots

* Add four new snippet-based examples

* Update layout to improve things a bit

* WIP

* Add d-block to images

* Fix horizontal scroll

* move d-block to the anchor

Co-authored-by: XhmikosR <xhmikosr@gmail.com>