v2.1.0

Add CLI support (#48)

$ i18next-scanner

  Usage: i18next-scanner [options] <file ...>


  Options:

    -V, --version      output the version number
    --config <config>  Path to the config file (default: i18next-scanner.config.js)
    --output <path>    Path to the output directory (default: .)
    -h, --help         output usage information

  Examples:

    $ i18next-scanner --config i18next-scanner.config.js --output /path/to/output 'src/**/*.{js,jsx}'
    $ i18next-scanner --config i18next-scanner.config.js 'src/**/*.{js,jsx}'
    $ i18next-scanner '/path/to/src/app.js' '/path/to/assets/index.html'