WCAG 2.1 AA

[TriangleJuice]

PR Checklist

This PR fulfills the following requirements:

• [x] The commit message follows our guidelines: Contributing guidelines
• [x] Tests for the changes have been added (for bug fixes / features)
• [x] Docs have been added / updated (for bug fixes / features)
• [x] A changelog entry was added

PR Type

What kind of change does this PR introduce?

• [x] Bugfix
• [x] Feature
• [x] Code style update (formatting, local variables)
• [x] Refactoring (no functional changes, no api changes)
• [x] Build related changes
• [ ] CI related changes
• [x] Documentation content changes
• [ ] angular.io application / infrastructure changes
• [ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• [x] Yes
• [ ] No

Other information

CKEditor is the only component that's not updated yet, because of an issue with the current wrapper. I'm looking into using the official wrapper from CKEditor itself.

Resolved issues