[01] WebGL Tutorial - Hello, Triangle!

I'm finally getting around to updating my WebGL series! The old series used some fairly outdated JavaScript. In this video: * Graphics pipeline basics * Setting up WebGL for use in the browser * Rendering the most basic GPU primitive: a triangle ---------------------- Text version of this tutorial: https://indigocode.dev/tutorials/webgl/01-hello-triangle Source code on GitHub: https://github.com/sessamekesh/webgl-tutorials-2023/tree/main/src/01-hello-triangle Live demo: https://indigocode.dev/tutorials/webgl/01-hello-triangle/demo Companion page (with mistakes, additional comments, etc): https://indigocode.dev/tutorials/webgl/01-hello-triangle/video-companion-doc