feat(PNG): Add initial PNG support#5

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TSenter wants to merge 23 commits intomasterfrom

tsenter-png-metadata

Commits on May 10, 2020

Commits on May 17, 2020

Commits on May 25, 2020

feat(PNG): Add support for remaining critical chunks (#6)
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Commits on May 26, 2020

Commits on May 27, 2020

feat(PNG): Add CSI chunk support (#11)
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Commits on May 28, 2020

Commits on Jun 4, 2020