Update readme

[AndyRae]

Changes

Updates some documentation, including:

• Change any CaRROT to Carrot
• Update the readme to add the roadmap, and fix links.
• Fixes the documentation links.

Checks

Important: please complete these before merging.

• [x] Run migrations, if any.
• [x] Update changelog.md, including migration instructions if any.
• [x] Run unit tests.

[github-actions[bot]]

Tests	Skipped	Failures	Errors	Time
25	1 :zzz:	1 :x:	0 :fire:	4.361s :stopwatch: