feat: add agents UI shell for static public agent chat

[victorgaard]

Why?

wip, access the demo below by:

• Clicking in one of the public agents:
  https://billions-pager-wailing.on-fleek.app

• Or browsing the agent link directly:
  https://billions-pager-wailing.on-fleek.app/preview/1

Tooltips for unavailable features:

Modal to sub:

How?

• Done A (replace with a breakdown of the steps)
• Done B
• Done C

Tickets?

• Ticket 1
• Ticket 2
• Ticket 3

Contribution checklist?

• The commit messages are detailed
• The build command runs locally
• Assets or static content are linked and stored in the project
• Document filename is named after the slug
• You've reviewed spelling using a grammar checker
• For documentation, guides or references, you've tested the commands and steps
• You've done enough research before writing

Security checklist?

• Sensitive data has been identified and is being protected properly
• Injection has been prevented (parameterized queries, no eval or system calls)
• The Components are escaping output (to prevent XSS)

References?

Optionally, provide references such as links

Preview?

Optionally, provide the preview url here

[changeset-bot]

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Latest commit: 17a6240

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