feat(babel): React Refresh support

[Thisen]

This adds React Refresh support to Jotai via a Babel plugin. 🎉

[vercel]

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🔍 Inspect: https://vercel.com/pmndrs/jotai/HwSJ1wiDfjYNsgMah3Q1nNSTg22F
✅ Preview: https://jotai-git-babel-react-refresh-pmndrs.vercel.app

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 7e85d9a:

Sandbox	Source
React	Configuration
React Typescript	Configuration
React Browserify	Configuration
React Snowpack	Configuration
Next.js	Configuration
Next.js with custom Babel config	Configuration
React with custom Babel config	Configuration

[github-actions]

Size Change: +2.46 kB (+7%) 🔍

Total Size: 39.8 kB

Filename	Size	Change
dist/babel/preset.js	1.21 kB	+386 B (+47%)	🚨
dist/esm/babel/preset.js	1.01 kB	+364 B (+56%)	🆘
dist/babel/plugin-react-refresh.js	947 B	+947 B (new file)	🆕
dist/esm/babel/plugin-react-refresh.js	763 B	+763 B (new file)	🆕

ℹ️ View Unchanged

Filename	Size
dist/babel/plugin-debug-label.js	794 B
dist/devtools.js	1.56 kB
dist/esm/babel/plugin-debug-label.js	622 B
dist/esm/devtools.js	1.4 kB
dist/esm/immer.js	592 B
dist/esm/index.js	4.22 kB
dist/esm/optics.js	640 B
dist/esm/query.js	1.25 kB
dist/esm/redux.js	251 B
dist/esm/urql.js	1.43 kB
dist/esm/utils.js	4.26 kB
dist/esm/valtio.js	512 B
dist/esm/xstate.js	947 B
dist/esm/zustand.js	284 B
dist/immer.js	729 B
dist/index.js	5.13 kB
dist/optics.js	935 B
dist/query.js	1.36 kB
dist/redux.js	314 B
dist/urql.js	1.48 kB
dist/utils.js	5.21 kB
dist/valtio.js	575 B
dist/xstate.js	1.04 kB
dist/zustand.js	344 B

_{compressed-size-action}

[dai-shi]

It looks good for a start.
Let's get feedbacks and keep improving it.