feat: use vite testing

[a2937]

Checklist:

• I have read freeCodeCamp's contribution guidelines.
• My pull request has a descriptive title (not a vague title like Update index.md)

Closes #301

It's a pretty huge migration but it adds both Typescript to the main files and Vite.

[socket-security]

New and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
npm/@types/[email protected]	Transitive: environment, filesystem, unsafe	+40	1.57 MB	types
npm/@types/[email protected]	None	+1	2.29 MB	types
npm/@types/[email protected]	None	0	37.8 kB	types
npm/@types/[email protected]	None	+2	1.69 MB	types
npm/@vitejs/[email protected]	Transitive: environment, filesystem, shell, unsafe	+57	11.9 MB	vitebot
npm/[email protected]	network	0	314 kB	rexxars
npm/[email protected]	None	0	183 kB	gcedo
npm/[email protected]	network, shell, unsafe	+3	9.8 MB	davidortner
npm/[email protected]	Transitive: environment, eval, filesystem, network, shell, unsafe	+95	10.4 MB	simenb
npm/[email protected]	Transitive: environment, eval, filesystem, network, shell, unsafe	+270	19.9 MB	simenb
npm/[email protected]	Transitive: environment, filesystem, shell	+54	2.24 MB	okonet
npm/[email protected]	environment, filesystem, unsafe	0	7.7 MB	prettier-bot
npm/[email protected]	None	+1	153 kB	duskload
npm/[email protected]	environment	+3	4.63 MB	react-bot
npm/[email protected]	Transitive: environment	+5	184 kB	pgilad
npm/[email protected]	environment	+2	339 kB	react-bot
npm/[email protected]	Transitive: environment, eval, filesystem, network, shell, unsafe	+151	16.1 MB	anhpnnd, kul, tsjest
npm/[email protected]	None	0	22.4 MB	typescript-bot
npm/[email protected]	filesystem Transitive: environment	+4	192 kB	aleclarson
npm/[email protected]	Transitive: environment, eval, filesystem, network, shell	+22	25 MB	antfu, patak, soda, ...2 more
npm/[email protected]	environment, eval Transitive: filesystem, network, shell, unsafe	+83	13 MB	vitestbot

🚮 Removed packages: npm/[email protected]

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