[FEATURE] Make border-radius work on the image widget

[Quinntyx]

Description of the requested feature

Make the border-radius CSS property properly trim the edges off of an image widget.

Proposed configuration syntax

(defwidget roundedImage [path]
    (image
        :path path
        :class "rounded"
        :image-height 100
        :image-width 100
    )
)

image.rounded {
  border-radius: 5px;
}

Additional context

No response