WP ENV example improvements

[colinmurphy]

I am adding this to capture improvements discussed to make some improvements to the current wp-env example implementations

1. We should be using npm rather than pnpm for adoptability
2. We should consider removing package-lock.json from the examples too

Is there any other improvements we could add to make it easier for developers to setup a full WordPress headless application for each example?

[colinmurphy]

@wpengine/headless-open-source ⬆️

[ahuseyn]

Thanks for mentioning @colinmurphy. I'm already doing it with my latest example. I'll update the recent PR as well to include these changes.

[colinmurphy]

Thanks @ahuseyn 🚀