Intervention revocation

* adds Revocation model to interventions/models.py
* adds revocations to interventions detail view
* fixes duplicated ids in html includes
* refactors controls for detail view into included template files (controls.html)
* reduces max length for payment transfer notes from 1000 to 200
* adds RevocationAdmin to intervention/admin.py
* adds new form for adding a Revocation to an intervention's legal_data
  * only one revocation per intervention possible
  * removes add button in case of an existing revocation
* adds revocation routes to intervention app
* renames document field in Document model into file for more clarity
* adds/updates translations

intervention/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from intervention.models import Intervention, ResponsibilityData, LegalData
+from intervention.models import Intervention, ResponsibilityData, LegalData, Revocation
 
 
 class InterventionAdmin(admin.ModelAdmin):
@@ -33,6 +33,16 @@ class LegalAdmin(admin.ModelAdmin):
     ]
 
 
+class RevocationAdmin(admin.ModelAdmin):
+    list_display = [
+        "id",
+        "date",
+        "comment",
+        "created",
+    ]
+
+
 admin.site.register(Intervention, InterventionAdmin)
 admin.site.register(ResponsibilityData, ResponsibilityAdmin)
 admin.site.register(LegalData, LegalAdmin)
+admin.site.register(Revocation, RevocationAdmin)