CLI refresh

[emmatown]

This is the first PR of the CLI refresh with most of the implemention, there will be some other PRs cleaning up various things like the examples and the documentation, this is just the main things that are all coupled.

[changeset-bot]

🦋 Changeset detected

Latest commit: b2a66e3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 21 packages

Name	Type
@keystone-next/keystone	Major
@keystone-next/types	Major
@keystone-next/adapter-prisma-legacy	Minor
@keystone-next/test-utils-legacy	Patch
@keystone-next/admin-ui	Major
@keystone-next/benchmarks-legacy	Patch
@keystone-next/example-auth	Patch
@keystone-next/app-basic	Patch
@keystone-next/example-ecommerce	Patch
keystone-next-app	Patch
@keystone-next/example-roles	Patch
@keystone-next/example-sandbox	Patch
@keystone-next/example-todo	Patch
@keystone-next/auth	Major
@keystone-next/server-side-graphql-client-legacy	Patch
@keystone-next/api-tests-legacy	Patch
@keystone-next/admin-ui-utils	Patch
@keystone-next/cloudinary	Patch
@keystone-next/fields-document	Patch
@keystone-next/fields	Patch
@keystone-next/fields-legacy	Patch

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[timleslie]

👍