[Docs] Use next dev for the getting started page

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Stats from current PR

Default Server Mode (Increase detected ⚠️)

General

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
buildDuration	12.7s	12.8s	⚠️ +24ms
nodeModulesSize	65.5 MB	65.5 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.27	2.274	0
/ avg req/sec	1101.21	1099.15	⚠️ -2.06
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.233	1.214	-0.02
/error-in-render avg req/sec	2027.54	2058.7	+31.16

Client Bundles (main, webpack, commons)

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
677f882d2ed8..b7a9.js gzip	10.2 kB	10.2 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
main-935e413..31c4.js gzip	6.76 kB	6.76 kB	✓
webpack-488d..c0e7.js gzip	751 B	751 B	✓
Overall change	56.8 kB	56.8 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
677f882d2ed8..dule.js gzip	6.09 kB	6.09 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
main-4b8f4a8..dule.js gzip	5.84 kB	5.84 kB	✓
webpack-4f62..dule.js gzip	751 B	751 B	✓
Overall change	51.8 kB	51.8 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
polyfills-05..1236.js gzip	30.8 kB	30.8 kB	✓
Overall change	30.8 kB	30.8 kB	✓

Client Pages

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
_app-8f5f611..1f7b.js gzip	1.28 kB	1.28 kB	✓
_error-a98d9..5cb7.js gzip	3.45 kB	3.45 kB	✓
hooks-f7f3d0..7465.js gzip	887 B	887 B	✓
index-08fb3f..c0e9.js gzip	227 B	227 B	✓
link-6f8445b..99e1.js gzip	1.3 kB	1.3 kB	✓
routerDirect..8aa1.js gzip	284 B	284 B	✓
withRouter-f..e777.js gzip	284 B	284 B	✓
Overall change	7.72 kB	7.72 kB	✓

Client Pages Modern

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
_app-669dbe5..dule.js gzip	626 B	626 B	✓
_error-d5979..dule.js gzip	2.3 kB	2.3 kB	✓
hooks-805c40..dule.js gzip	387 B	387 B	✓
index-6ba5a4..dule.js gzip	226 B	226 B	✓
link-91516ae..dule.js gzip	1.25 kB	1.25 kB	✓
routerDirect..dule.js gzip	284 B	284 B	✓
withRouter-d..dule.js gzip	282 B	282 B	✓
Overall change	5.36 kB	5.36 kB	✓

Client Build Manifests

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
_buildManifest.js gzip	274 B	274 B	✓
_buildManife..dule.js gzip	282 B	282 B	✓
Overall change	556 B	556 B	✓

Rendered Page Sizes

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
index.html gzip	945 B	945 B	✓
link.html gzip	953 B	953 B	✓
withRouter.html gzip	940 B	940 B	✓
Overall change	2.84 kB	2.84 kB	✓

---

Serverless Mode

General

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
buildDuration	14.4s	14.1s	-272ms
nodeModulesSize	65.5 MB	65.5 MB	✓

Client Bundles (main, webpack, commons)

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
677f882d2ed8..b7a9.js gzip	10.2 kB	10.2 kB	✓
framework.HASH.js gzip	39.1 kB	39.1 kB	✓
main-935e413..31c4.js gzip	6.76 kB	6.76 kB	✓
webpack-488d..c0e7.js gzip	751 B	751 B	✓
Overall change	56.8 kB	56.8 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
677f882d2ed8..dule.js gzip	6.09 kB	6.09 kB	✓
framework.HA..dule.js gzip	39.1 kB	39.1 kB	✓
main-4b8f4a8..dule.js gzip	5.84 kB	5.84 kB	✓
webpack-4f62..dule.js gzip	751 B	751 B	✓
Overall change	51.8 kB	51.8 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
polyfills-05..1236.js gzip	30.8 kB	30.8 kB	✓
Overall change	30.8 kB	30.8 kB	✓

Client Pages

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
_app-8f5f611..1f7b.js gzip	1.28 kB	1.28 kB	✓
_error-a98d9..5cb7.js gzip	3.45 kB	3.45 kB	✓
hooks-f7f3d0..7465.js gzip	887 B	887 B	✓
index-08fb3f..c0e9.js gzip	227 B	227 B	✓
link-6f8445b..99e1.js gzip	1.3 kB	1.3 kB	✓
routerDirect..8aa1.js gzip	284 B	284 B	✓
withRouter-f..e777.js gzip	284 B	284 B	✓
Overall change	7.72 kB	7.72 kB	✓

Client Pages Modern

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
_app-669dbe5..dule.js gzip	626 B	626 B	✓
_error-d5979..dule.js gzip	2.3 kB	2.3 kB	✓
hooks-805c40..dule.js gzip	387 B	387 B	✓
index-6ba5a4..dule.js gzip	226 B	226 B	✓
link-91516ae..dule.js gzip	1.25 kB	1.25 kB	✓
routerDirect..dule.js gzip	284 B	284 B	✓
withRouter-d..dule.js gzip	282 B	282 B	✓
Overall change	5.36 kB	5.36 kB	✓

Client Build Manifests

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
_buildManifest.js gzip	274 B	274 B	✓
_buildManife..dule.js gzip	282 B	282 B	✓
Overall change	556 B	556 B	✓

Serverless bundles

	vercel/next.js canary	lfades/next.js docs/update-getting-started	Change
_error.js	1.02 MB	1.02 MB	✓
404.html	4.18 kB	4.18 kB	✓
hooks.html	3.82 kB	3.82 kB	✓
index.js	1.02 MB	1.02 MB	✓
link.js	1.06 MB	1.06 MB	✓
routerDirect.js	1.05 MB	1.05 MB	✓
withRouter.js	1.05 MB	1.05 MB	✓
Overall change	5.2 MB	5.2 MB	✓

Commit: abea130