{
  "name": "<%= _.slugify(appname) %>",
  "version": "0.1.0",
  "description": "Node.js project.",
  "author": "<%= realname %> (<%= website %>)",
  "keywords": [],
  "repository": "<%= githubUser %>/<%= _.slugify(appname) %>",
  "license": "MIT",
  "main": "lib/index.js",
  "scripts": {
    "test": "grunt test"
  },
  "engines": {
    "node": ">=0.10.0"
  },
  "dependencies": {},
  "devDependencies": {
    "chai": "^1.9.1",
    "grunt": "^0.4.5",
    "grunt-contrib-jshint": "^0.10.0",
    "grunt-mocha-cli": "^1.8.0",
    "jshint-stylish": "^1.0.0",
    "load-grunt-tasks": "^0.6.0",
    "time-grunt": "^1.0.0"
  },
  "private": true
}

{
  "name": "<%= _.slugify(appname) %>",
  "version": "0.1.0",
  "description": "Node.js project.",
  "author": "<%= realname %> (<%= website %>)",
  "keywords": [],
  "repository": "<%= githubUser %>/<%= _.slugify(appname) %>",
  "license": "MIT",
  "main": "lib/index.js",
  "scripts": {
    "test": "grunt test"
  },
  "engines": {
    "node": ">=0.10.0"
  },
  "dependencies": {},
  "devDependencies": {
    "chai": "^1.9.1",
    "grunt": "^0.4.5",
    "grunt-contrib-jshint": "^0.10.0",
    "grunt-mocha-cli": "^1.8.0",
    "jshint-stylish": "^1.0.0",
    "load-grunt-tasks": "^0.6.0",
    "time-grunt": "^1.0.0"
  },
  "files": [
    "lib"
  ],
  "private": true
}

Add "files" config to the template package.json
Add "files" config to the template package.json
