update engines to node>=16 npm>=7 so glitch select node v16.12.0 npm 7.20.6 environment instead of node 10
update engines to node>=16 npm>=7 so glitch select node v16.12.0 npm 7.20.6 environment instead of node 10

networked-aframe/networked-aframe,networked-aframe/networked-aframe