feat: shimmers

[rushikeshakhare]

Task:

Add a shimmer loading on crab, will add to bull once approved on crab

Type of change

• [x] New feature
• [ ] Bug fix
• [ ] Testing code
• [ ] Document update or config files

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Name	Status	Preview	Comments	Updated
continuouscall	✅ Ready (Inspect)	Visit Preview	💬 1 unresolved	Feb 7, 2023 at 7:32AM (UTC)

[alexisgauba]

Is best practice to have all the bars on crab or to have it be one box since its more one item?

Think in the example you had it was more one box vs. the individual bars

[KMKoushik]

Can we use MUI's skeleton https://v4.mui.com/components/skeleton/#skeleton?