Compensation model refactoring

* splits Intervention model into main components
   * Compensation (main object)
   * ResponsibilityData (holds organizations and handler) - same as used for intervention
   * This way data can be extended more easily in the future
* refactors deadlines

konova/admin.py

@@ -7,7 +7,7 @@ Created on: 22.07.21
 """
 from django.contrib import admin
 
-from konova.models import Geometry, Document
+from konova.models import Geometry, Document, Deadline
 
 
 class GeometryAdmin(admin.ModelAdmin):
@@ -28,5 +28,15 @@ class DocumentAdmin(admin.ModelAdmin):
     ]
 
 
+class DeadlineAdmin(admin.ModelAdmin):
+    list_display = [
+        "id",
+        "type",
+        "date",
+        "comment",
+    ]
+
+
 admin.site.register(Geometry, GeometryAdmin)
 admin.site.register(Document, DocumentAdmin)
+admin.site.register(Deadline, DeadlineAdmin)