add https

Author: Hannes7eicher

Diff for: content/hardware/09.kits/maker/plug-and-make-kit/product.md

@@ -1,6 +1,6 @@
 ---
 title: Plug and Make Kit
-url_shop: store.arduino.cc/products/plug-and-make-kit
+url_shop: https://store.arduino.cc/products/plug-and-make-kit
 url_guide: https://courses.arduino.cc/plugandmake
 primary_button_url: https://courses.arduino.cc/plugandmake
 primary_button_title: Get Started