Create componente and module

Create componente where i can add categories in this categories i can add items picture upload price with prefix R$ and a link (here i can add a link to a product so when click on buy now button he will be redirect to the product where he can buy) Create a module where i can select the categorie from above componente the module we display in a article and it need display the items like on the attached image! style the rocktab module so it looks like on the image too