Add Image in Form

[ChOmar]

the form in photo 1
 

I want it to be like photo 2

 

I work in this code right now

 

$format['sellerImage'] = (new FormField())
            ->setName('sellerImage')
            ->settype('file')
            ->setLabel(
                $this->translator->trans(
                    'photo or logo', [], 'Shop.Forms.Labels'
                )
            )
         ->setRequired(true)
        ;