0.2.2

feat(chatview-ux): multiple UX improvements (#138)

• Notifications when a contact goes online and offline.
• Keyboard shortcut to select a messages selection:
  • Ctrl+C: Copy the messages selected into Clipboard.
  • Ctrl+Shift+Q: Quote the selection.
• Keyboard shortcut for insering a new line:
  • Shift+Return: Insert a newline at the cursor position.
• Some bug fixes.