shader place

TODO:

• undo manager
• git ignore
• error messages hoverover on line they occur on, like The Force
• carot color
• usernames to be above carot
• better text readability (highlight)
• add standard library and use with THREE's material.onBeforeCompile
• fix scroll bug
• add backbuffer
• add webcam
• add audio

This has been made possible by the STUDIO for Creative Inquiry's Spring 2021 OSSTA Residencies (Open-Source Software Toolkits for the Arts)