Shopify custom development

I want to customize the design for the shopify store, using an external api from react, The functionality that I am looking for is the same as this reference on button "Customize and preview". Also explain in details that how will you implement this task , more explanation would lead to award in the bid.

https://www.xn--mugpersonnalis-okb.fr/products/plaque-spotify-personnalise-illuminez-la-plaque-spotify-veilleuse-spotify-cadeau-parfait-pour-lui-elle

This is an external library to use.

https://libraries.io/npm/sunzi-spotify-code