pidgin/nest

Fix bolding on old announcements.

2021-04-09, Elliott Sales de Andrade
cd87c95d31ba
Fix bolding on old announcements.

Testing Done:
Ran hugo and checked the pages.

Reviewed at https://reviews.imfreedom.org/r/602/
[{{ with .Get 1 }}{{ . }}{{ else }}XEP-{{ .Get 0 }}{{ end }}](https://xmpp.org/extensions/xep-{{ .Get 0 }}.html)