add support for ignoring .gitignore entries automatically

[jd1378]

I'm trying to use this with nuxt
since vueFiles option does not support an array, I have to use './**/*.?(js|vue)', which ends up searching node_modules, and other ignored folders as well

it would be nice to have

[jd1378]

for my use case, simpler approach is to make vueFiles array

[jd1378]

I realized I could use something like this:
'./{components,pages,layouts}/**/*.?(js|vue)'

[jd1378]

doesn't seem to work out of box, leaving issue open as issue may still be valid for others