Drag Chain Angle Bracket with GX-16 Connectors

A remix to add GX-16 panel mount connectors to the drag chain support bracket. You can either use just one single to mount a GX16 to connect the drag chain and the original bracket from twlum on the other end, or you can use these to also connect the steppers using the double mounts. I wanted to connect my steppers with GX connectors since the steppers are rated for 1.4A and JST SH are only rated for 1.0A.

A GX-16-8 can power the Z stepper with 4 conductors and then have 4 left over, for ins