Add two important informations:
- The `mbc` commands must be ran in the docker container
- Not using this method prevent from using encrypted rooms with the bot
* Fix bug that prevented user with external nginx from launch
The backslash was missing and prevented users from starting the bot
* Add necessary config for ext nginx to docs
* Add automatic config for ext nginx, adjust docs
* Remove unneeded and possibly puzzeling documentation
* Make interface hidden behind proxy by default
* Remove expose option and replace with http_bind_port
Reasoning: This is a similar binary trigger but allows to bin not on all interfaces
* Clarify maubot admin purpose
* Remove unnecessary edif
* Extend docs to prevent common misconceptions
* Make http_bind_port singular, do not allow multiple values
* Make optional again
