message: added bin to package.json
diff: "version": "1.0.0",
  "homepage": "https://github.com/feathersjs/feathers-cli",
  "main": "lib/",
  + "bin": {
  + "feathers": "./lib/index.js"
  + },
  "keywords": [
  "feathers",
  "feathers-plugin"
  