Add a help and FAQ page

[arisu6804]

Summary

Add a help and FAQ page.

Context

Tracking issue for the StreamPay frontend. Open to contributors.

Acceptance criteria

• Implement the change described above
• Add or update automated tests
• Update the relevant documentation

[Awointa]

Hi, I’d like to work on this issue. I can build a clear help and FAQ page for users, organize common questions for easy navigation, add automated tests for the page and its interactions, and update the relevant documentation to keep the feature maintainable.

[grantfox-oss]

🦊 GrantFox — @Awointa has been assigned to this issue as part of the Official Campaign | FWC26 campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #115)
2. Your PR will be reviewed by the StreamPay-Organization maintainers

Good luck! Track your progress on GrantFox.