highlight node, run simple code, select node working

01_Code/physical_computing_interface/app.js

01_Code/physical_computing_interface/assembly/replay.js

01_Code/physical_computing_interface/globals.js

01_Code/physical_computing_interface/graph/graph.js

01_Code/physical_computing_interface/index.html

01_Code/physical_computing_interface/json/json.js

01_Code/physical_computing_interface/threejs/grid.js

README.md