fix: update assets for ui kit components

[ishita1805]

Summary

Expanded the RealtimeKit gallery and initiated a branding migration.

New Features: Added several new UI components to the gallery.

Branding: Replaced Dyte assets with Cloudflare branding in initial component sets (more to follow).

Preview URL

Link to the preview of the updated page
https://d0676505.preview.developers.cloudflare.com/realtime/realtimekit/ui-kit/component-library/

Screenshots (optional)

Before:

After:

Documentation checklist

• Is there a changelog entry (guidelines)? If you don't add one for something awesome and new (however small) — how will our customers find out? Changelogs are automatically posted to RSS feeds, the Discord, and X.
• The change adheres to the documentation style guide.
• If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
• Files which have changed name or location have been allocated redirects.

[github-actions]

This pull request requires reviews from CODEOWNERS as it changes files that match the following patterns:

Pattern	Owners
/src/assets/images/realtime/	@cloudflare/pcx-technical-writing, @cloudflare/realtime, @cloudflare/RealtimeKit, @roerohan, @ravindra-cloudflare
/src/components/	@cloudflare/content-engineering, @kodster28

[github-actions]

Preview URL: https://d0676505.preview.developers.cloudflare.com
Preview Branch URL: https://ikabra-rtk-ui-components.preview.developers.cloudflare.com