mod_http_oauth2: Create proper template for OOB code delivery This also improves security by reusing the security and cache headers, where mod_http_errors/http-message doesn't add such headers. Colors selected by taking rotating the error colors, rrggbb -> ggbbrr

---
labels:
- 'Stage-Obsolete'
summary: Message Carbons
superseded_by: mod_carbons
...

Since Prosody 0.10, this module is [included in Prosody](https://prosody.im/doc/modules/mod_carbons), you will be redirected there shortly.