[docs] Backport Multi-Zones docs to 14.x branch

[mknichel]

This makes the Multi-Zones docs available in the live nextjs.org site.

[ijjk]

Allow CI Workflow Run

• approve CI run for commit: cbcdbe7

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer

[ijjk]

Failing test suites

Commit: cbcdbe7

pnpm test test/integration/app-dir-export/test/dynamicpage-prod.test.ts

• app dir - with output export - dynamic api route prod > production mode > should work in prod with dynamicPage 'force-static'

Expand output

● app dir - with output export - dynamic api route prod › production mode › should work in prod with dynamicPage 'force-static'

thrown: "Exceeded timeout of 60000 ms for a test.
Add a timeout value to this test to increase the timeout, if this is a long-running test. See https://jestjs.io/docs/api#testname-fn-timeout."

  14 |             'Page with `dynamic = "force-dynamic"` couldn\'t be exported. `output: "export"` requires all pages be renderable statically',
  15 |         },
> 16 |       ])(
     |        ^
  17 |         'should work in prod with dynamicPage $dynamicPage',
  18 |         async ({ dynamicPage, expectedErrMsg }) => {
  19 |           await runTests({ isDev: false, dynamicPage, expectedErrMsg })

  at ../node_modules/.pnpm/[email protected]/node_modules/jest-each/build/bind.js:47:15
      at Array.forEach (<anonymous>)
  at integration/app-dir-export/test/dynamicpage-prod.test.ts:16:8
  at integration/app-dir-export/test/dynamicpage-prod.test.ts:4:56
  at Object.describe (integration/app-dir-export/test/dynamicpage-prod.test.ts:3:1)

Read more about building and testing Next.js in contributing.md.