Maybe add .extend method?

[dwightjack]

Using eslint-vue-plugin we can whitelist VueTypes calls, but working with custom types is a bit annoying. It would be nice to be able to add custom global types.

Not sure about the implications though (like overwriting default types...)

[dwightjack]

Ongoing work here https://github.com/dwightjack/vue-types/tree/feature/extend

[dwightjack]

Publised as of v.1.5.0