mod_rest/apidemo: Serve yaml with a (non-standard) content-type There's no Standard from what I can tell, found this one somewhere. Serving as text/* might help some clients do something sensible like not treat it as a binary file, which it isn't.

---
labels:
- Statistics
summary: 'Report malloc() stats'
---

Description
===========

This module collects stats from `util.pposix.meminfo` usage and reports using Prosody 0.10 APIs