engineering: use metapackage instead list

pkg.in/lists/engineering/2d-cad

 # 2D CAD (Computer Aided Design)
-librecad
-qcad
-solvespace
-qelectrotech
+engineering-2D-CAD

pkg.in/lists/engineering/3d-cad

 # 3D CAD (Computer Aided Design)
-freecad
-povray
-GLC_Player
-openscad
-openscad-MCAD
-openscad-libraries-mcad
-meshlab
+engineering-3D-CAD

pkg.in/lists/engineering/3d-printer

 # 3D Printer Software
-cura
-printrun
-repraptor
+engineering-3D-printing

pkg.in/lists/engineering/apcs

 # Advanced Process Control Software
-#beremiz
-#yaplc-ide # needed fix with new beremiz
-qmaster
-qslave
+engineering-APCS

pkg.in/lists/engineering/cam

 # CAM (Computer-aided manufacturing)
 # and G-Code generators
-camotics
-pycam
-flatcam
-pcb2gcodeGUI
-rastercarve
+engineering-CAM

pkg.in/lists/engineering/cnc

 # CNC (Computer Numerical Control)
-linuxcnc
-mesaflash
+engineering-CNC

pkg.in/lists/engineering/eda

 # EDA (Electronic Design Automation)
-kicad
-qucs
-qucs-s
+engineering-EDA

pkg.in/lists/engineering/misc

-cu
-cutecom
+engineering-misc