it works. Now Lemmy just needs something like this natively :)
Sopuli's Default Community
Community for all jibber-jabber. As this is a hard-coded community for every instance, we may get this doing something useful.
Simple test posts to !test_community@sopuli.xyz
Meta-discussion regarding the instance and support in problem situations !meta@sopuli.xyz
Yhteisö kaikenlaiselle pÀlÀtykselle. Koska tÀmÀ on kovakoodattu yhteisö jokaiselle instanssille, voimme tehdÀ tÀllÀ ehkÀ jotain hyödyllistÀ.
Yksinkertaiset testiviestit mielellÀÀn !test_community@sopuli.xyz
Instanssia koskeva metakeskustelu ja tuki ongelmatilanteissa !meta@sopuli.xyz
Is this running as userscript in tempermonkey?
No, it's not. What you have to do is put the block of Javascript on the post into a bookmark on your browser. I suppose one could also make a TamperMonkey-userscript out of this, but this is not that.