Fix wiki accuracy and add Parties and Player Accounts pages Check every page against the server code and correct wrong or missing facts: first-run steps, error shapes, key scopes and grants, storage, sessions, invites, signaling, realtime events, presence, the server browser, configuration variables, quotas, lifecycle, relay, and the self-host guide. Add pages for parties and the player account website. Use "GG Scale" in prose and Simplified Technical English throughout. Claude-Session: https://claude.ai/code/session_01TV969du8YUKXCTVHVQgm2D
adding steam docs