[Feature] Legacy API Layer (#80)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#80

envipath/urls.py

@@ -17,11 +17,12 @@ Including another URLconf
 from django.contrib import admin
 from django.urls import include, path
 
-from .api import api
+from .api import api_v1, api_legacy
 
 urlpatterns = [
     path("", include("epdb.urls")),
     path("", include("migration.urls")),
     path("admin/", admin.site.urls),
-    path("api/", api.urls),
+    path("api/v1/", api_v1.urls),
+    path("api/legacy/", api_legacy.urls),
 ]