Merge branch 'wip/243-manual-updates' into 'master'

Update user manual

Closes #243

See merge request !178
3 jobs from master in 73 minutes and 22 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #253372
fedora

00:03:44

passed #253373
ubuntu

00:46:25

 
  Test
passed #253374
flatpak

00:26:56