midi_to_cv: add FreeCAD faceplate model

.gitignore

@@ -2,6 +2,10 @@ SOIC_test
 *-backups
 gerbers/
 
+# FreeCAD generated files
+*.FCBak
+gcode/
+
 # imported from gitea project kicad gitignore
 # For PCBs designed using KiCad: http://www.kicad-pcb.org/
 # Format documentation: http://kicad-pcb.org/help/file-formats/
@@ -21,7 +25,6 @@ _autosave-*
 fp-info-cache
 *.lck
 \#auto_saved_files#
-*.FCBak
 
 # Netlist files (exported from Eeschema)
 *.net

midi_to_cv_daughter_board/midi_to_cv_daughter_board.kicad_pro

@@ -662,7 +662,7 @@
         "uuid": "1342e6e6-8752-4d5f-b096-2f9fff7d6090"
       }
     ],
-    "used_designators": "J2-4,#PWR7,R14-21",
+    "used_designators": "R14-21,#PWR7,J2-4",
     "variants": []
   },
   "sheets": [