Updating AWS Lambda Serverless Framework guide

[jharrell]

Resolves #5087

This is a PR that has two major changes:

1. restructure our guides to take advantage of "subsections" to have an automatically generated list of guides

2. attempt to clean up and revamp our serverless framework guide.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 18, 2023 2:39pm

[github-actions]

This PR changes the following pages (Vercel Preview Deploy links):

Changed Vercel links

• /docs/guides/deployment/serverless/deploy-to-aws-lambda (currently)
• /docs/guides/deployment/use-prisma-with-serverless-framework (currently)

(Note that links will only be valid after Vercel preview deploy succeeded)

[github-actions]

This PR probably requires the following redirects to be added to vercel.json:

  {
    "source": "/docs/guides/deployment/use-prisma-with-serverless-framework",
    "destination": "/docs/##( TODO: Path of page that replaces deleted page )##"
  },

[janpio]

It looks like this PR just removes our "Deploy to AWS Lambda" guide and replaces it with our Serverless Framework specific considerations (while keeping the URL the same). Is that intentional?

If so, what is the higher level strategy this is following?

[jharrell]

The goal with the deployment guides is to show how to get a baseline project to a deployment environment. For many deployment options (Vercel, Netlify, Heroku, etc) that means a generic app that uses Prisma. AWS Lambda is a bit unique because there's Serverless Framework and SST which are tied really closely to the deployment location. In the future a "AWS Lambda" section with Serverless, SST, and plain lambda code would be great.

Our existing guides were called "deploy to AWS Lambda" but heavily focused on Serverless and the example starter app was a Serverless Framework project. So the title was misleading.

Changes addressed and requesting a re-review

[ruheni]

Looks pretty good already. Left a few minor comments that are more of nits.