Merge branch '18-improve-the-usability-of-admin-interface-and-models' into 'master'

Resolve "Improve the usability of admin interface and models"

Closes #18

See merge request !7
1 job for 12-conceptions-des-interfaces in 53 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #1838
preprod
job test python

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