Support custom `autoImport` matchers

[KaelWD]

type Kind = 'component' | 'directive'
type Replace = { symbol: string, from: string, as?: string }

/**
 * true | null: fall back to the default matcher
 * false: ignore
 * Replace: import from the specified module
 */
(source: string, importer: string, kind: Kind, isVuetify: boolean) => boolean | null | Replace