* New app: Matrix Synapse
* Change default version
* default version fix
* Add explanation to change the max_upload_size
* Update explanation to change the max_upload_size
* Fix bugs in explanation to change the max_upload_size
* Remove simple
* Code clean up
* Overhaul: no need for the user to execute command
* code formatting
* add public_baseurl
* homeserver.yaml configured to use postgres
* finished postgres setup
* Add "start" description