Proofread APIv3 documentation
Update requests.yml

* Display rendered params to distinguish requests
* Add different examples of embed address
* Fix missing brackets in category_skus_with_applied_filters
Split oauthdoc into easy and authorization
Add localized? helper
Add page_locales partial
Add locale for EL
Add locale for TR
Update authorization - permissions section
Display 2 levels deep table of contents
Expand authorization - overview with Quick Start section
Rewrite authorization - flows for both user and application token cases
Add ToC partial
Add latest apiv3 responses
Update hi-res logos