Add support for room v11

Val Lorentzrequested to merge
_ZN3val/conduit:room-v11 into next

Resolves #408 (closed)

Spec: https://spec.matrix.org/v1.9/rooms/v11/

  • I agree to release my code and all other changes of this MR under the Apache-2.0 license
Edited by Val Lorentz

Merge request reports