added describe to directional light and color variable example

[yogitheboss]

this addresses issue #312

[yogitheboss]

Ok @SableRaf , now i got it. I should have checked the readme file. I will make the necessary changes and submit the pull request again.

[SableRaf]

Hey @yogitheboss,

Just checking in on the describe() changes for the liveSketch.js examples. Noticed it's been a while since we last touched base on this. When you get a chance, could you update and resubmit the PR? Let me know if you need any help.

Thanks!

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[SableRaf]

Thanks @yogitheboss for your contribution! ✨ It's a wonderful step in making the Processing website a bit more accessible. If you would like to make further alt-text contributions I'll make sure to get those merged a little faster next time 😉