Laravel Admin Multi Images
// Multi-map
$form->multipleImage($column[, $label]);
// Add delete button
$form->multipleImage($column[, $label])->removable();
// multiple files
$form->multipleFile($column[, $label]);
// Add delete button
$form->multipleFile($column[, $label])->removable();
// draggable sorting since v1.6.12
$form->multipleImage('pictures')->sortable();
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