#31 API basic implementation Token Authentication

* adds token checking to AbstractModelAPIView
* adds user accessibility filtering for intervention API v1
* extends fetch_and_serialize() method to take a dict for db filtering instead of a single field and value
* organizes urlnames into supporting formats like "api:v1:intervention"

api/urls/urls.py

@@ -10,5 +10,5 @@ from django.urls import path, include
 app_name = "api"
 
 urlpatterns = [
-    path("v1/", include("api.urls.v1.urls")),
+    path("v1/", include("api.urls.v1.urls", namespace="v1")),
 ]