add VoIP fields for MSC3401#77

Draft

ara4n wants to merge 16 commits intomautrix:mainfrom

matrix-org:matthew/msc3401

Commits on Jun 3, 2022

Commits on Jun 5, 2022

apparently all MSC3401 events have deviceID & sessionIDs
ara4n
committed

Commits on Aug 8, 2022

Fix `SessionID` typing
SimonBrandner
committed

Commits on Aug 11, 2022

Add `CallHangupKeepAliveTimeout`
SimonBrandner
committed

Commits on Aug 13, 2022

Commits on Aug 15, 2022

Commits on Aug 17, 2022

Remove UsernameFragment
SimonBrandner
committed

Commits on Sep 4, 2022

Add `Kind`, `Width` and `Height`
SimonBrandner
committed

Commits on Dec 10, 2022

Change event shape to match MSC3898
SimonBrandner
committed

Commits on Dec 13, 2022