[Frontend] Status page: Link to external status or embed component

[JayWebtech]

Overview

Developer portal references status; ensure real destination.

Technical Requirements

• Configure STATUS_URL env for footer/docs links.
• Open in new tab with Uptime or internal status.
• Document in README.

[ReinaMaze]

@ReinaMaze has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Gm
Can I work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @ReinaMaze to this issue.