add missing ']'s to json strings (#2796)
add missing ']'s to json strings (#2796)

walterbender/AmazonasTortuga,walterbender/turtleflags,AlanJAS/turtleart,walterbender/turtle3D,walterbender/turtleartmini,walterbender/turtleart,walterbender/turtleconfusion