game-cards-poker-design/backend/apps/projects/urls.py

from django.urls import path
from .views import project_list, project_detail, asset_list, asset_detail

urlpatterns = [
    path('', project_list, name='project-list'),
    path('<str:pk>/', project_detail, name='project-detail'),
    path('<str:project_pk>/assets/', asset_list, name='asset-list'),
    path('<str:project_pk>/assets/<str:asset_pk>/', asset_detail, name='asset-detail'),
]