ref(api): split api models into a class per file

Allows a separate of a class per file and makes it easier to read through the code and work with it

Author: helgi

rootfs/api/admin.py

@@ -9,13 +9,7 @@
 from django.contrib import admin
 from guardian.admin import GuardedModelAdmin
 
-from .models import App
-from .models import Build
-from .models import Config
-from .models import Container
-from .models import Domain
-from .models import Key
-from .models import Release
+from .models import App, Build, Config, Container, Domain, Key, Release
 
 
 class AppAdmin(GuardedModelAdmin):