Frontend Upgrades for v0.3.1

[YuurinBee]

Frontend Upgrades

A collection of UI polish, bug fixes, and dead code removal across the frontend.

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Settings

• Restructured the Security section and Dangerzone with updated button styles and ordering
• Added Gitcoin as a Donor & Contributor
• Added a footer with links to Donate, GitBook, and Privacy Policy

UI Polish

• Refreshed popup stylization
• Fixed image viewer contrast for light backgrounds
• Improved top avatar bar contrast and shadow
• Shifted Vector's main colour to a mid-green tone instead of the accent colour
• Updated New Chat buttons across all themes
• Redesigned the Export Account popup with a proper title

Bug Fixes

• Fixed nPub display truncation — now scrollable
• Added My Profile top nav bar to the Profile page
• Fixed Sound Notifications section, preview button, and dropdown arrows
• Fixed PIN code decryption gradient
• Fixed Sound Preview button width

Cleanup

• Removed typing indicator gradient dead code and updated naming