Merge branch 'fix_doc_dev_install' into 'master'

Add informations about development setup

See merge request !193
2 jobs for master in 14 minutes and 54 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #1279
memopol
job test

00:13:49

90.0%
 
  Deploy
passed #1280
memopol
job install

00:01:05