WebGL matrix example is using atypical right-mul convention about content HOT 2 OPEN

It is really confusing but it actually works. If you look closely at multiplyMatrixAndPoint, we are doing a right-multiplication and treating the point as a row vector, rather than the typical left-multiplication on a column vector. To be fair this probably makes more sense when written down as code, since you write an array horizontally, but maybe we should explain that? I'm not sure.

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@Josh-Cena Got it, that makes sense. Actually in the MDN page, the array is written horizontally, but I changed the formatting for the post. I think it would be helpful to explain it! Maybe a small note in the Translation matrix section that mentions this. For my part, I was using the page as a reference for what the matrices should look like, and hadn't actually looked too much into the multiplication methods MDN was using, so I missed that.

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