cad/camv-rnd: [NEW PORT] Small, flexible viewer for PCB-related CAM file formats

camv-rnd is a Free Software small, flexible viewer for PCB-related CAM file
formats

• supports gerber, excellon, g-code
• imports/exports multiple file formats
• is part of the Ringdove EDA suite
• is part of the coralEDA ecosystem

WWW: http://www.repo.hu/projects/camv-rnd/

Approved by: yuri@ (Mentor)
Differential Revision: https://reviews.freebsd.org/D53431