feat: add type edit command

[angeloashmore]

Resolves: #91

Description

Add type edit subcommand to update content type metadata after creation.

Checklist

• A comprehensive Linear ticket, providing sufficient context and details to facilitate the review of the PR, is linked to the PR.
• If my changes require tests, I added them.
• If my changes affect backward compatibility, it has been discussed.
• If my changes require an update to the CONTRIBUTING.md guide, I updated it.

Preview

$ prismic type edit --help
Edit a content type.

USAGE
  prismic type edit <name> [options]

ARGUMENTS
  <name>   Name of the content type (required)

OPTIONS
  -n, --name string     New name for the type
  -f, --format string   Type format: "custom" or "page"
      --repeatable      Allow multiple documents of this type
  -s, --single          Restrict to a single document
  -r, --repo string     Repository domain
  -h, --help            Show help for command

How to QA ¹

node --run build
./dist/index.mjs type edit "MyType" --name "NewName"
./dist/index.mjs type edit "MyType" --single
./dist/index.mjs type edit "MyType" --repeatable
./dist/index.mjs type edit "MyType" --format page

---

Note

Medium Risk
Adds a new CLI flow that mutates remote content type metadata via the Custom Types API; mistakes or edge cases could rename/flip repeatability unexpectedly in user repositories.

Overview
Adds a new prismic type edit subcommand to update an existing content type’s metadata (label, format, and repeatability) by fetching types from the repository, validating flags, and calling updateCustomType.

After a successful API update, it syncs the local adapter state (adapter.updateCustomType) and regenerates types, and it wires the new handler into the prismic type command router.

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