To simplify our repository architecture, we're moving the admin panel from a separate package(/ember-addon) to a directory inside the main app package. This will make future configuration of tools like typescript/glint, and Vite, much easier. It also means that the admin panel is now transpiled via Webpack, and can internally make use of async-imports and bundle-splitting.
Admin modules will now be referenced like `discourse/admin/...`. Backwards-compatibility is maintained for the old import paths via a custom babel transform.
A 'compatModules' technique is used to keep all of the admin invokables and routes/controllers/templates available to Ember's resolver.
Jarek Radosz
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