feat: Resizable Panel for Mail tab

[Ipriyankrajai]

Adding Resizable Panel for Mail tab.

Fixes issue #51

[vercel[bot]]

@priyankrajai is attempting to deploy a commit to the Inbox Zero Team on Vercel.

A member of the Team first needs to authorize it.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
0 out of 2 committers have signed the CLA.

:x: Priyank Rajai
:x: priyankrajai

---

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[Ipriyankrajai]

Hey @elie222 ,

I'm facing one issue with EmailPannel. For some reason, overflow-auto is not working for this component.

[elie222]

Thank @Ipriyankrajai.

Just need to sign CLA and fix lock.yaml

[vercel[bot]]

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Name	Status	Preview	Updated (UTC)
inbox-zero	✅ Ready (Inspect)	Visit Preview	Jan 3, 2024 3:42pm

[elie222]

Sorry, merge conflict again :(

[Ipriyankrajai]

Hello @elie222 , Sorted merge conflict. But Im still not able to sign the cla