Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

The current documentationhttps://coder.com/docs/admin/templates/extending-templates/parameters#workspace-presets is missing any information about the presets' descriptions and emojis / icons which can be added to the presets. Consequently these subfeatures may be completely non-discoverable.

Relevant Log Output

N/A

Expected Behavior

The documentation is complete and mentions the optional descriptions and icons for workspace presets.

Steps to Reproduce

N/A

Environment

• Host OS:
• Coder version:

Additional Context

I have tested this on the latest version