chore(docs-assets): add versions to paths for imported assets

This should prevent stale caches in browsers if we upgrade any of these
assets.
docs(tutorial): add missing @step tags

Since steps 9 and 11 were missing @step tags they were out of order

Closes #6292
Closes #6291
docs(bike-shed-migration): convert doctype and names

To keep the same logic as the commit https://github.com/angular/angular.js/commit/2e641ac49f121a6e2cc70bd3879930b44a8a7710