mod_rest: Support parameters in callback URL
E.g.
rest_callback_url = "http://myapi.example:5000/api/{kind}/{type}"
which results in e.g. requests to /api/message/chat
Allows using path routing in web frameworks for dispatch instead of
having to pick apart the payload to further dispatch it.
# Introduction
[XEP-0215] implementation for [time-limited TURN
credentials](https://tools.ietf.org/html/draft-uberti-behave-turn-rest-00).
# Configuration
Option Type Default
------------------------- -------- ------------
turncredentials\_secret string *required*
turncredentials\_host string *required*
turncredentials\_port number `3478`
turncredentials\_ttl number `86400`
# Compatible TURN / STUN servers.
- [coturn](https://github.com/coturn/coturn) - [setup guide][doc:coturn]
- [restund](http://www.creytiv.com/restund.html)
- [eturnal](https://eturnal.net/)
# Compatibility
Incompatible with [mod_extdisco](https://modules.prosody.im/mod_extdisco.html)