Release v0.30.0 EOSE and Invalidate Cache refactoring

• Improves the use of EOSE events to avoid re-downloads
• Refactors invalidate cache to allow immediate and spaced-out screen updates
• Preloads URL Previews to avoid jittering when loading
• Remembers video playback functions to avoid jittering
• Fixes feed position when looking at a note and coming back
• Updated Chinese (Traditional) Translation by @miseelu
• Refines the look to the Zap animation
• BugFix for nostr: clickable uris
• Videos now go full screen.