Autocomplete refactoring

* refactors konova/autocompletes.py by splitting into individual files and moving them to fitting apps
     * autocomplete files now live in APPNAME/autocomplete/...

compensation/forms/compensation.py

@@ -88,7 +88,7 @@ class NewCompensationForm(AbstractCompensationForm,
             deleted=None,
         ),
         widget=autocomplete.ModelSelect2(
-            url="interventions-autocomplete",
+            url="intervention:autocomplete",
             attrs={
                 "data-placeholder": _("Click for selection"),
                 "data-minimum-input-length": 3,