Adding Grunt to your project.

README.md

npm install -g grunt-cli

npm install

npm install grunt-contrib-concat --save-dev

Gruntfile.js

module.exports = function(grunt) {

    // 1. All configuration goes here 
    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),

        concat: {
            // 2. Configuration for concatinating files goes here.
        }

    });

    // 3. Where we tell Grunt we plan to use this plug-in.
    grunt.loadNpmTasks('grunt-contrib-concat');

    // 4. Where we tell Grunt what to do when we type "grunt" into the terminal.
    grunt.registerTask('default', ['concat']);

};

package.json

{
  "name": "example-project",
  "version": "0.1.0",
  "devDependencies": {
    "grunt": "~0.4.1"
  }
}