Issue M: Sitemap, CHANGELOG, Deploy

[CuWilliams]

Overview

Final deploy steps: update metadata files and merge feature/v2-overhaul to main.

Tasks

• Update sitemap.xml if any new pages were added during the overhaul
• Add v2.0.0 entry to CHANGELOG.md
• Merge feature/v2-overhaul to main via pull request
• Confirm GitHub Pages deployment is live at trendfitapp.com
• Smoke-test live site: home, features, announcements, privacy, terms, 404

Dependencies

Requires #29 (L) QA pass with no blocking issues.

Files

sitemap.xml, CHANGELOG.md

Branch

This issue IS the merge to main. All other work stays on feature/v2-overhaul.

Part of #16 (parent epic) | Milestone: v2.0.0