Merge branch 'dev'

Author: cheton

README.md

@@ -69,3 +69,6 @@ https://github.com/cheton/gcode-interpreter
 
 ## G-code Toolpath
 https://github.com/cheton/gcode-toolpath
+
+## G-code Toolpath Visualizer
+Check out the source code at https://github.com/cheton/cnc/blob/master/src/web/components/widgets/visualizer/GCodeVisualizer.js