Add a option to disable component auto-import

[johnsoncodehk]

Discussed in #438

^{Originally posted by rtabulov August 30, 2021}
So in my project i have vite setup with vite-plugin-components, which injects import statements for componts in selected folder automatically.
Can i somehow disable volar's auto-import feature i the auto-imported component is in the selected folder.
Or maybe just disable auto-import totally?

[Bobakanoosh]

This is a feature I'm interested in as well