This commit will implement a matrix communication plugin
to integrate matrix services with core communication.
Originally implemented as MDL-76701, MDL-76702, MDL-77357,
MDL-76705, MDL-77473 and MDL-76708.
Co-Authored-By: Stevani Andolo <stevani.andolo@moodle.com>
Co-Authored-By: David Woloszyn <david.woloszyn@moodle.com>
Co-Authored-By: Safat Shahin <safat.shahin@moodle.com>
A new communication plugin type added to core to implement
the communication provider features.
Original implemented as MDL-76699
Co-Authored-By: Huong Nguyen <huongnv13@gmail.com>
