direct bracket-mount for the DC power connector

This bracket makes it possible to directly mount the solderable DC connector socket to the wall of the project enclosure. I cut the side pin as it is not used, then bend backwards the middle pin carefully to be able to slide on the bracket from the back onto the connector socket. Then make a square 10x9 mm hole to protrude the DC connector fron throught the wall of the project enclosure and two 3mm holes for mounting the bracket. Use M3 screws to moung the bracket by directly screwing into the b