DOAP: Add the list of XEPs we support

This comes from slixmpp/plugins/__init__.py
2 jobs for doap in 1 minute and 24 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #30310
docker
test

00:01:14

 
  Trigger
passed #30311
docker
trigger_poezio

00:00:09