feat(cli): add `expo typescript` command (#23642)

# Why

The command serves two purposes
- Allow users to manually start the Expo Typescript bootstrap process
- Generate Expo Router types wi

feat(cli): add `expo typescript` command (#23642)

# Why

The command serves two purposes
- Allow users to manually start the Expo Typescript bootstrap process
- Generate Expo Router types within CI environments.

Unlike the automatic Typescript detection, this command will bypass
prompts and simply enable Typescript support.

# How

Reuses `TypeScriptProjectPrerequisite` and the Typescript services from
`MetroBundlerDevServer`.

This PR also modifies the
`MetroBundlerDevServer.startTypeScriptServices()` to run without a
started server (so file watching will be disabled)

# Test Plan

# Checklist

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Please check the appropriate items below if they apply to your diff.
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- [ ] Documentation is up to date to reflect these changes (eg:
https://docs.expo.dev and README.md).
- [ ] Conforms with the [Documentation Writing Style
Guide](https://github.com/expo/expo/blob/main/guides/Expo%20Documentation%20Writing%20Style%20Guide.md)
- [ ] This diff will work correctly for `npx expo prebuild` & EAS Build
(eg: updated a module plugin).

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