#99 Admin backend cleanup

* removes admin backend views which are not important for production
* adds filtering functionalities on index views
* simplifies detail views on intervention, compensation, ecoaccount and ema
* adds autocomplete fields on detail views
* adds handy horizontal filter fields on detail views

compensation/models/action.py

@@ -59,7 +59,7 @@ class CompensationAction(BaseResource):
     objects = CompensationActionManager()
 
     def __str__(self):
-        return "{} | {} {}".format(self.action_type, self.amount, self.unit)
+        return f"{self.action_type} | {self.amount} {self.unit}"
 
     @property
     def unit_humanize(self):