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✨ Complete exercise epicweb-dev#1

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Original file line number	Diff line number	Diff line change
`@@ -3,10 +3,16 @@`
`3`	`3`
`4`	`4`	`import * as React from 'react'`
`5`	`5`
	`6`	`+function countReducer(previousCount, newCount) {`
	`7`	`+ console.log({previousCount, newCount})`
	`8`	`+ return newCount`
	`9`	`+}`
	`10`	`+`
`6`	`11`	`function Counter({initialCount = 0, step = 1}) {`
`7`	`12`	`// 🐨 replace React.useState with React.useReducer.`
`8`	`13`	`// 💰 React.useReducer(countReducer, initialCount)`
`9`		`- const [count, setCount] = React.useState(initialCount)`
	`14`	`+ // const [count, setCount] = React.useState(initialCount)`
	`15`	`+ const [count, setCount] = React.useReducer(countReducer, initialCount)`
`10`	`16`
`11`	`17`	`// 💰 you can write the countReducer function so you don't have to make any`
`12`	`18`	`// changes to the next two lines of code! Remember:`

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