Compensation detail view

* adds compensation detail view (WIP)
* adds includes dir for related objects, similar to interventions
* adds functionality for
   * adding/removing before_states
   * adding/removing after_states
   * adding/removing deadlines
   * adding/removing documents
* refactors usage of BaseModalForm
   * holds now process_request() in base class for generic usage anywhere
* adds __str__() method for some models
* compensation__action is blank=True now
* renamed tooltips
* adds new routes for state/deadline/document handling inside of compensation/urls.py
* adds precalculation of before/after_states for detail view, so users will see directly if there are missing states
* removes unnecessary link for intervention detail payment
* adds missing tooltips for check and record icon on detail views
* refactors DeadlineTypeEnum into DeadlineType in konova/models.py, just as the django 3.x documentation suggests for model enumerations
* UuidModel id field is not editable anymore in the admin interface
* adds/updates translations

compensation/urls.py

@@ -17,6 +17,11 @@ urlpatterns = [
     path('<id>', open_view, name='open'),
     path('<id>/edit', edit_view, name='edit'),
     path('<id>/remove', remove_view, name='remove'),
+    path('<id>/state/new', state_new_view, name='new-state'),
+    path('<id>/deadline/new', deadline_new_view, name="new-deadline"),
+
+    # Documents
+    path('<id>/document/new/', new_document_view, name='new-doc'),
 
     # Payment
     path('pay/<intervention_id>/new', new_payment_view, name='pay-new'),
@@ -34,4 +39,6 @@ urlpatterns = [
     # Eco-account withdraws
     path('acc/<id>/remove/<withdraw_id>', withdraw_remove_view, name='withdraw-remove'),
 
+    # Generic state routes
+    path('state/<id>/remove', state_remove_view, name='state-remove'),
 ]