baseline: 批次A-D 成果 + membership 半成品（测试红）

backend/apps/channel/urls.py

@@ -0,0 +1,15 @@
+"""电商中心路由。"""
+
+from django.urls import path, include
+from adrf.routers import DefaultRouter as ADRouter
+from .views import ChannelAccountViewSet, ChannelOrderViewSet, WebhookViewSet
+
+
+router = ADRouter()
+router.register("accounts", ChannelAccountViewSet, basename="channel-account")
+router.register("orders", ChannelOrderViewSet, basename="channel-order")
+router.register("webhooks", WebhookViewSet, basename="channel-webhook")
+
+urlpatterns = [
+    path("", include(router.urls)),
+]