chore: Update nextjs project to have more realistic controls

[benjackwhite]

Changes

Makes the nextjs app more useful and deployable so we can test it

Checklist

• Tests for new code (see advice on the tests we use)
• Accounted for the impact of any changes across different browsers
• Accounted for backwards compatibility of any changes (no breaking changes in posthog-js!)

[vercel]

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Name	Status	Preview	Updated (UTC)
posthog-js	✅ Ready (Inspect)	Visit Preview	Apr 24, 2024 11:17am

[posthog-bot]

Hey @benjackwhite! 👋
This pull request seems to contain no description. Please add useful context, rationale, and/or any other information that will help make sense of this change now and in the distant Mars-based future.

[github-actions]

Size Change: 0 B

Total Size: 973 kB

ℹ️ View Unchanged

Filename	Size
dist/array.full.js	233 kB
dist/array.js	130 kB
dist/es.js	130 kB
dist/exception-autocapture.js	12.2 kB
dist/module.js	131 kB
dist/recorder-v2.js	108 kB
dist/recorder.js	108 kB
dist/surveys-module-previews.js	62 kB
dist/surveys.js	58.3 kB

_{compressed-size-action}

[jurajmajerik]

@benjackwhite, I've noticed you changed the "Developing with another project" section.

Just flagging that linking via pnpm doesn't work for me for some reason 🤔 Doing it the old way with yalc still works.

[benjackwhite]

@benjackwhite, I've noticed you changed the "Developing with another project" section.

Just flagging that linking via pnpm doesn't work for me for some reason 🤔 Doing it the old way with yalc still works.

Weird. I don't know what to say other than "works for me" :D Maybe a more detailed issue of what you tried and what didnt work and then I can take a look?