Add missing webgl APIs

Author: raub

examples/package-lock.json

@@ -4,7 +4,7 @@
 	"private": true,
 	"main": "lesson05.js",
 	"dependencies": {
-		"glfw-raub": "^5.1.0",
+		"glfw-raub": "^5.2.0",
 		"image-raub": "^4.1.1"
 	}
 }

examples/package.json

@@ -4,6 +4,6 @@ const { install } = require('addon-tools-raub');
 
 
 const prefix = 'https://github.com/node-3d/webgl-raub/releases/download';
-const tag = '3.0.0';
+const tag = '4.0.0';
 
 install(`${prefix}/${tag}`);