Added

• Add OAuth 2.1 authentication for use with 3rd-party tools.
  • Cleanup task for removing expired access tokens and old clients.
  • Admin page for creating/managing OAuth clients.
• Add Model Context Protocol (MCP) server functionality.
  • Resource support for ActivityPub actors and objects, as well as registered users and server information.
  • Tool support for counting and paginating collections (timeline, likes, announces, etc.).
  • Prompt support demonstrating "What's new?" functionality.
  • OAuth2-authenticated access for secure integration.