v0.4.0

Added

• Groups feature: Create, manage, and join groups with invite codes
  • Invite members, transfer ownership, leave or remove members
  • Full API, UI pages, and components for group management
• Sharing functionality: Share board games and game sessions with groups
  • Link game session players to group members

Changed

• Profile page redesigned: Stats cards (total games, sessions, win rate, rating), last played session, settings with password change
• Board game and session queries now support group filtering

Fixed

• Reverted .NET 10 upgrade (back to .NET 9)
• Kiota tool setup in generate-client script