VSCode integration

https://old.reddit.com/r/godot/comments/1axv5xv/today_i_said_goodbye_to_coding_inside_godot_and/krqp7o8/
"Here's a hint, though. Go to editor settings in Godot, then Text Editor > Completion, and dial two sliders: "Idle Parse Delay" and "Code Complete Delay" all the way to the lowest values it will allow you. This will remove a lot of delay in autocompletions inside VS Code."