* getBaseStaticRoute use peertubeHelper when available
* getBaseRouter renamed getBaseRouterRoute and use peertubeHelper when available
* Backward compatibility is maintained.
* Starting with Peertube 3.2.0, builtin prosody save room history on server. So when a user connects, he can get previously send messages.
* Fix: settings archive_expires_after was useless without mod_mam
* initialize prosody modules folder
* comment on prosody modules licensing
* use mod_muc_http_defaults to set rooms properties and prevent unauthorized room creation WIP