feature: box shadow generator feature added

[bruno-keiko]

closes #69 I've created a page for generating box shadows. The result is:

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Name	Status	Preview	Comments	Updated (UTC)
web-dev-tools-jmia	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 27, 2024 10:11am

[bruno-keiko]

Please add it to the search

Alright, I'll add it shortly.

[bruno-keiko]

Can you check it again, thank you!