🚧 WIP image hook

Author: Josh

source/components/StyledImage/README.md

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+Click the theme buttons to re-initialize examples.
+
+```js
+<StyledCountdown onTick={value => console.log("Countdown: ", value)} />
+```
+
+This timer is always stopped:
+
+```js
+<StyledCountdown stop onTick={value => console.log("Stopped countdown: ", value)} />
+```