* Add links to matrix-user-verification-service

Matrix User Authentication Service itself has been available for Jitsi since 42e4e50f5b.

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

* Update README.md

Co-authored-by: Slavi Pantaleev <slavi@devture.com>

* Update docs/container-images.md

* Update roles/custom/matrix-user-verification-service/defaults/main.yml

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Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
Co-authored-by: Suguru Hirahara <acioustick@noreply.codeberg.org>
Co-authored-by: Slavi Pantaleev <slavi@devture.com>