Voyage v0.4.0 released

Voyage v0.4.0 just dropped: https://github.com/dluvian/voyage/releases/tag/v0.4.0

### 🌠 Features

- Open nip11 relay information document when clicking on relay in relay editor
- Show connected relays in relay editor
- Search posts in database via search bar
- Open "nostr:..." links
- Open thread parent
- Show relay connection status in relay editor:
- green dot => connected
- red dot => connection closed
- blinking gray dot => attempting to connect

### ⚡️ Performance

- Don't randomly resubscribe nip65s
- Sub votes & replies only from read relays when scrolling feed
- Improve delete query

### 🛠 Improvements

- Consider selecting relays with closed connection last
- Improve subscribing to unknown profiles
- Sub votes & replies from author's inbox when scrolling thread
- Update default pubkeys

### 🎨 Styling

- Show only one column of topic chips

### 📚 Documentation

- Add nip11 to supported nips

### ⚙️ Miscellaneous Tasks

- Add debug suffix to debug builds
- Increase minSdk to 26 (Android Oreo) because earlier versions don't work correctly
- Bump version to v0.4.0