modifications sur le chargement de la page

frontend/button.css

frontend/img/eevee.svg

frontend/img/pikachu.svg

frontend/img/pikachu2.svg

frontend/img/pokeball.png

frontend/img/pokeball.svg

frontend/img/pokeball2.svg

frontend/img/ronflex.svg

frontend/img/sac.svg

frontend/js/index.js

frontend/js/product.js

frontend/menu.css

frontend/select.css

frontend/select.html

frontend/shop.html

frontend/style.css