#158 is_pik added

* adds model and form mixin for PIK
* integrates mixins for compensation, ema and ecoaccount
* adds migration files
* extends API
* extends API test data
* adds is_xy fields to compensation, ema and ecoaccount reports
* adds is_pik information to detail views
* adds/updates translations

compensation/admin.py

@@ -55,6 +55,7 @@ class CompensationAdmin(AbstractCompensationAdmin):
         return super().get_fields(request, obj) + [
             "is_cef",
             "is_coherence_keeping",
+            "is_pik",
             "intervention",
         ]