Support for `defineRouteRules`

[warflash]

Describe the feature

Nuxt added support for inline route rules, when using locale prefixed routes however - the rules don't seem to match/be triggered. More broadly speaking a section or note on how to deal with nuxt routeRules and prefixed routes might be nice, maybe even a helper function to pass config to and get a transformed result back

Additional information

• [ ] Would you be willing to help implement this feature?
• [ ] Could this feature be implemented as a module?

Final checks

• [X] Read the contribution guide (The contribution guideline of nuxt-modules/i18n is compliant with Nuxt too).
• [X] Check existing discussions and issues.

[BobbieGoede]

Depending on the order of execution for the pages hooks this will probably involve reimplementing this functionality inside this module 😥 Hopefully this won't be as complicated as adding support for definePageMeta was, but it's implementation seems similar to it (before experimental.scanPageMeta was added).