Shop Improvements

[thePeras]

• Improve the logic (search for webhooks, cron jobs, etc)
• Hide it
• Make the order id the label of the admin panel
• Remove Products from Seller perspective
• Add "tamanho único" to sizes

[rubuy-74]

I tried to test creating a product that is free and nothing works on that product, no email is sent or invoice and now I can't even delete the product.