Add Visit to admin.

bikeshop_project/core/admin.py

@@ -2,4 +2,10 @@ from django.contrib import admin
 from .models import Membership, Payment, Visit
 
 # Register your models here.
-admin.site.register([Membership, Payment, Visit])
+admin.site.register([Membership, Payment])
+
+
+@admin.register(Visit)
+class VistAdmin(admin.ModelAdmin):
+    ordering = ('created_at',)
+    list_display = ('member', 'purpose', 'created_at')