added lib/gl-matrix to install: release section

Getting the following error when trying to run cube.js: Trying fix in makefile

run-time error: run-time error: failed to load unit "lib/gl-matrix/common.js"
load(2ECF) ("/etc/higgs/runtime/runtime.js"@73:12)
require(1182A) ("/etc/higgs/stdlib/commonjs.js"@56:9)
cube_js(11CA1) ("cube.js"@13:1)