[cli] merge all pull file creation into one path

[stopachka]

Context

Previously, we had a separate flow, where if you used init and chose to create an app, we would make some empty files for you.

However, those files had a few issues:

1. The default state was filled with data that wasn't actually in the production app. This felt a bit confusing
2. There wasn't much explanation. For example, the rules file just had some example rules, but nothing more

We also had unique behavior when pulling an app:

1. If there were no perms in an app, we would not create a perms file

This PR

Now, whether you 'create' an app or not, we will go through the same pull flow.

In this new pull flow, we detect:

1. If the schema does not have any entities defined, we add a comment explaining what they are
2. If the schema does not have links defined, we add a comment explaining what they are
3. If the perms are empty, we still make a perms file, but add a little description

Coming up

I still have more to do, to make these files look better (i.schema instead of graph for schema, intellisense for perms, comparing previous files). But, we'll get to it soon 🔥

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@dwwoelfel @nezaj

[github-actions]

View Vercel preview at instant-www-js-pret2-jsv.vercel.app.

[stopachka]

Small change, so including here:

Sorting apps by created at desc, so your newly created apps show first

[dwwoelfel]

Much improved!