new_contents: {
    'targets': [
      {
        'target_name': 'bindings',
        'sources': [
          'src/bindings.cc',
          'src/node_lame.cc'
        ],
        'dependencies': [
          'deps/lame/libmp3lame.gyp:mp3lame'
        ]
      }
    ]
  }
  
subject: add binding.gyp file