Merge branch 'instance_model' into 'DEV'

Instance model

See merge request !8
2 jobs from DEV in 3 minutes 22 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Lint
passed #1083
flake8

01:41

 
  Test
failed #1084
test

01:40

 
Test test
    from interface.storage.Volume import Volume
ModuleNotFoundError: No module named 'interface'


----------------------------------------------------------------------
Ran 7 tests in 0.001s

FAILED (errors=7)
ERROR: Job failed: exit code 1