Added Azure Cosmos DB started code, containing a minimal app and README.md

[v1k1]

These changes contain Started Code for Azure Cosmos DB.

[v1k1]

Hey @leerob @steven-tey, I am from Microsoft @azure/cosmos JS SDK team. We are currently working on Vercel and Azure Cosmos DB integration. Can you please review this PR containing sample starter code to get started with Next.js and Azure Cosmos DB. Thanks.

[Enngage]

Hey @v1k1 and Next.js team,

When I looked at the code I was hoping to see some sort of integration in the sense that we could leverage the request deduping (https://nextjs.org/docs/app/building-your-application/data-fetching#automatic-fetch-request-deduping), but it seems that if you are using CosmosDb, every single GET call is in fact called each time you request it.

Is there a way of leveraging the fetch for making CosmosDB queries? Or do we have to use cache manually? (https://nextjs.org/docs/app/building-your-application/data-fetching/caching#react-cache). Would be great if this was automatic and if would be possible to use custom HTTP adapter for Cosmos Db client.

[leerob]

It would be great to update this to use the App Router but non-blocking.

[ijjk]

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