find the closest .gitignore file, parse it, and apply ignore rules
npm install dotgitignore
find the closest .gitignore file, parse it, and apply ignore rules.
_Given the following .gitignore:_
```
.DS_Store
node_modules
coverage
.nyc_output
`js`
const dotgit = require('dotgitignore')()
dotgit.ignore('.DS_Store') // returns 'true'.
dotgit.ignore('README.md') // returns 'false'.
* require('dotgitignore')([opts]): return instance of dotgitignore, optionallyopts
configured with :opts.cwd
* : current working directory (defaults to process.cwd()).dotgit.ignore(name)
* : returns true if pattern is ignored, false` otherwise.