WIP: POC: Client side ansi2html

What does this MR do?

Proof of concept to move the ansi2html to the frontend. This allows us to do a lot more stuff in the future including line folding.

Also included line numbers in the output to improve UX.

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the style guides
• Branch has no merge conflicts with master (if you do - rebase it please)
• Squashed related commits together