Merge branch 'master' of https://github.com/kamathmanu/mtxclient into room-directory

.ci/adjust-config.sh

.gitignore

.gitlab-ci.yml

CMakeLists.txt

Doxyfile

Doxyfile-mcss

Makefile

docs/dirs.dox

docs/index.md

include/mtx.hpp

include/mtx/common.hpp

include/mtx/errors.hpp

include/mtx/events.hpp

include/mtx/events/account_data/fully_read.hpp

include/mtx/events/aliases.hpp

include/mtx/events/avatar.hpp

include/mtx/events/canonical_alias.hpp

include/mtx/events/collections.hpp

include/mtx/events/common.hpp

include/mtx/events/create.hpp