First commit

courses/urls.py

@@ -0,0 +1,8 @@
+from django.urls import path
+from . import views
+
+app_name = 'courses'
+urlpatterns = [
+    path('', views.list, name='list'),
+    path('<int:course_id>-<slug:course_name>/', views.show, name="show"),
+]