Merge branch 'master' into 'master'

Improve hashtags and `rel` attribute

Closes #1

See merge request pleroma/auto_linker!5
2 jobs for master in 1 minute and 1 second (queued for 2 seconds)
Status Job ID Name Coverage
  Lint
passed #18190
lint

00:00:30

 
  Test
passed #18191
unit-testing

00:00:30