1086 Magento 2. Módulo banners

1. Main banners, mini banners and brand banners must have an order field "order", this field should be used to order the admin banners and banners from the seller portal.
2. Create the banner's validity option, initial and final, where it is not necessary to inform the date, but if informed, the banner will only be displayed during the validity period, when it reaches a date higher than the maximum date, it must leave the exhibition. This only for admin type banners: main, brands and mini banners.

3. Main banner registration must have the option to include a specific banner for mobile that should be displayed when the screen is mobile. This registration of the main banner as the new image mobile field must exist both for the registration of the admin type and for the seller portal type.

4. In the registration of images of both the admin type and the seller portal type, it must display the ideal image format and also the ideal size:
Main banner: PNG type, size 1920 × 330 pixels
5. Main banner on the site use 100% of the area, leaving no margins.
Main mobile banner: PNG type, size 767 x 330 pixels
Mini banner: PNG type, size 564 × 300 pixels
Banner brand: PNG type, size 100 × 22 pixels