flatpak: Add hotdoc to the dev env

4 jobs for master in 82 minutes and 49 seconds (queued for 1 second)
Status Job ID Name Coverage
  Docker Image
passed #99767
pitivi:1.0

00:54:43

passed #99766
pitivi:master

01:01:23

 
  Build
passed #99768
build

00:07:46

 
  Test Results
passed #99769
test-results

00:13:39