WebGL Renderer

[Tyriar]

WIP: #1790

[Tyriar]

Update: #1790 (comment)

[Tyriar]

This might workaround these weird issues with canvas that pop up on some Electron updates as we're talking more directly to the GPU microsoft/vscode#75634

[chucknelson]

@Tyriar - Came across this reading about the VS Code webgl renderer, and this can be closed, right? WebGL renderer PR (#1790) is merged and it's had quite a few version released so far, right?

[Tyriar]

Let's keep it open until the experimental note is removed from https://github.com/xtermjs/xterm.js/blob/master/addons/xterm-addon-webgl/README.md, there's still a few lingering issues https://github.com/xtermjs/xterm.js/issues?q=is%3Aopen+is%3Aissue+label%3Aarea%2Faddon%2Fwebgl