Add --minimal and --no-compat

[NullVoxPopuli]

Reviewers, these should be looked at first:

• Sort the package.json, using the replacers strategy #148
• Fix the full path display during project generation #149
• Test against our supported node versions (and fix the babel config for the maintenance-node version (20)) #146
• Update generated workflow files #145

---

This is a highly needed behavior of our blueprint.

For far too long and have folks starting new projects been held back by the support of existing projects.

We need to have first-class support for people just starting out.

To use this --minimal blueprint from this PR:

# or npx
pnpm dlx \
  ember-cli@latest new my-app \
  --pnpm \
  --minimal \ 
  --blueprint "github:ember-cli/ember-app-blueprint#nvp/minimal-flag-non-default"

To use this --no-compat blueprint from this PR:

# or npx
pnpm dlx \
  ember-cli@latest new my-app \
  --pnpm \
  --no-compat \ 
  --blueprint "github:ember-cli/ember-app-blueprint#nvp/minimal-flag-non-default"

---

Here is a commit of everything involved in making an app minimal:
NullVoxPopuli/ember-initializers-demo@02b73bb
(repo from prep for this RFC: emberjs/rfcs#1120 )

I'd use this for all my personal projects, and new apps at work (that don't depend on v1 addons)

From the README:

--no-compat

Does the following:

• enables type=module in package.json (required for vite-ssr, and many ESM tools)
• makes the build and boot MUCH FASTER
  (in large apps, this can have your app's boot be up to 1 minute faster)
• removes @embroider/compat
  • removes support for:
    • hbs (both for component files, and testing)
    • content-for (in the HTML files)
    • v1 addons
    • node-land config/environment.js
• removes ember-cli
  • ember-cli brings in a ton of old dependencies, so removing it makes installs much faster
  • downside though is that you no longer have scaffolding (ember g) -- however, you could use pnpm dlx ember-cli g ... (or npx ember-cli g)

--minimal

Does the following

• everything listed under --no-compat
• Removes all linting, formatting, and testing support
  • leaves you with a minimal app that you can use for demos, and PRing to other repositories that have multi-framework support (and probably use other testing tools for that multi-framework support)
• different defaults:
  • warp-drive becomes opt-in (pass --warp-drive if you want it -- normally requires --no-warp-drive to remove)
  • ember-welcome-page becomes opt-in (normally requires --no-welcome to remove)