Amethyst v0.23.0: In Search we Trust

We are defaulting to nostr.band as one of the few if not the only relay that accepts search filters. You can add more options to the relay settings page.

- NIP-50 Support (Relay Search) by @nostrich, thanks to @nostrich and @EvgenyPlaksin for the first draft on this feature
- "Mark all messages as Read" feature by @nostrich. Let's see @nostrich approves the feature and bounty claim
- NIP-19 Refactoring and test cases by @nostrich
- Small performance improvements by @nostrich
- Require biometric to export private keys by @nostrich
- Support for relative paths on preview card's OG:IMAGE tags by @nostrich
- Changes the navigation bar's magnifying glass icon to globe by @nostrich
- French translation by @nostrich
- Add Password Managers autofill support to the login screen by @nostrich

Download: https://github.com/vitorpamplona/amethyst/releases/download/v0.23.0/app-release-v0.23.0.apk