Update cml.dev based on dvc.org's newest commits

[julieg18]

• dvc.org has had multiple updates that cml.dev's docs engine should have as well List of website updates:

• [x] Lint all files
• [x] Add image processing to docs images
• [x] Update Link Check to 0.8
• [ ] Update docs hamburger menu

List of doc updates:

• [x] replace cml-action => setup-cml
• [x] fix missing redirect
• [x] explicitly mark step

[jorgeorpinel]

This is probably no longer relevant since both sites use the engine plugin? @julieg18

[julieg18]

This is probably no longer relevant since both sites use the engine plugin? @julieg18

We still haven't updated the docs hamburger menu. Though it is extremely minor :) We could technically just leave it as is

[jorgeorpinel]

Seems more like a design/ website question then. Up to the team