Update urls

doccano/app/app/urls.py

@@ -14,11 +14,10 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.urls import path
+from django.urls import path, include
 
-from doccano.app.server.views import AnnotationView
 
 urlpatterns = [
-    path('annotation/', AnnotationView.as_view()),
+    path('annotation/', include('server.urls')),
     path('admin/', admin.site.urls),
 ]

doccano/app/server/urls.py

@@ -0,0 +1,7 @@
+from django.urls import path
+
+from .views import AnnotationView
+
+urlpatterns = [
+    path('', AnnotationView.as_view()),
+]