Update "as seen in"

Update ReadMe and tweak posts

Add ImageSaver class for saving generated images and integrate with MandelbrotControls

Update some images

Add image optimization feature

Split palette range into its own section and other UX improvements

Improve color mapping logic and add more tests

Add palette start/end controls and reset buttons

Remove cache expiry

Hide shortcuts when using a touch screen

Make more responsive

Make webpack config less hacky

Improve icons

Local-first

Update gallery and keywords