Add documentation of attributes

[Arcticae]

Closes #2026

Introduced changes

• Adds a doc page for attributes briefly explaining what we support

Checklist

• [x] Linked relevant issue
• [x] Updated relevant documentation
• [x] Added relevant tests
• [x] Performed self-review of the code
• [x] Added changes to CHANGELOG.md

[Arcticae]

I will wait with merging this after the plugin updates are merged