feat: convert to use TypeScript

[patrickblackjr]

TypeScript is use on the main application, might as well use it here too. Also adds better TypeSense for IDE.

Changes

• Rename all jsx files to tsx
• Make the necessary changes to postcss and tailwind configuration
• Add tsconfig.json file
• Bump dependency versions and add TypeScript
• Various changes to stop TypeScript from complaining
• Fix unsafe / use best practices for DocSearch

[vercel[bot]]

@patrickblackjr is attempting to deploy a commit to the Plane Team on Vercel.

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[Pdzly]

Nice one!

[sriramveeraghanta]

Moving these changes to a different branch for verification. please check this pull request for more information #38