Update help.js

Author: photonstorm

scripts/help.js

@@ -11,6 +11,7 @@ v.log('{bgYellow}{black} Available commands:
 v.log('{white} npm run {green}build {cyan}   Build dev version of Phaser with Webpack');
 v.log('{white} npm run {green}watch {cyan}      Build dev & put Webpack in watch mode');
 v.log('{white} npm run {green}dist {cyan}               Build dist versions of Phaser');
+v.log('{white} npm run {green}dist3d {cyan}          Build dist versions of Phaser 3D');
 v.log('{white} npm run {green}lint {cyan}                  ESLint check Phaser source');
 v.log('{white} npm run {green}lintfix {cyan}       ESLint check and fix Phaser source');
 v.log('{white} npm run {green}sloc {cyan}       Get source code & comments line count');