Create About page, converted from the pop-up

[mantuok]

Context

Create a dedicated About page. This page will provide users with key information about the project, its purpose, and relevant links to external resources.

Definition of Done

• The page is accessible by clicking on the About link in the Header;
• The page contains:
  • Introduction to the project, including its purpose and mission.
  • A paragraph explaining the project's role within SF Civic Tech.
  • External links to:
    • SF Civic Tech (parent organization).
    • SF City government resources for the "soft-story initiative," "tsunami zone," and "liquefaction zone."
  • A detailed section on the data sources and methodology.
• Mobile-friendly and fully responsive layout;
• Links must open in new tabs or windows;
• Ensure accessibility (e.g., proper heading structure, alt text for any images);
• Unit tests pass successfully.

Engineering Details

• Use the existing About component in the components folder.
• External Links to be provided by the Design teams.
• Use Chakra UI’s layout components to organize content (e.g., Box, Text, Link).