feat(png): very simple png support.

[ProbablePrime]

Honestly, I chose the first svg to png module I could find that worked and didn't spend much time on this.

I did this awhile ago but I realized I hadn't contributed it back to the source Repo though.

Due to its nature(quickly made), it might not be suitable for merging, but I did want to Open the PR at least to provide a resource for anyone looking for the same functionality or using this as a base for anything more polished.