Added Gruntfile for compiling SASS and CoffeeScript files

Gruntfile.js

@@ -0,0 +1,68 @@
+module.exports = function(grunt) {
+
+  // time the grunt execution time
+  require('time-grunt')(grunt);
+
+  // configure main project settings
+  grunt.initConfig({
+
+    // basic config
+    pkg: grunt.file.readJSON('package.json'),
+
+    // CoffeeScript compiling
+    coffee: {
+      compile: {
+        options: {
+          sourceMap: false
+        },
+        expand: true,
+        flatten: true,
+        cwd: 'src/coffee',
+        src: '*.coffee',
+        dest: 'build/js',
+        ext: '.js'
+      }
+    },
+
+    // SASS compiling
+    sass: {
+      compile: {
+        options: {
+          style: 'compact'
+        },
+        files: [{
+          expand: true,
+          cwd: 'src/sass',
+          src: ['*.sass'],
+          dest: 'build/css',
+          ext: '.css'
+        }]
+      }
+    },
+
+    // watch sass and CoffeeScript files for live reloading
+    watch: {
+      scripts: {
+        files: [
+          'src/sass/*.sass',
+          'src/sass/*.scss',
+          'src/coffee/*.coffee'
+        ],
+        tasks: ['sass', 'coffee'],
+        options: {
+          spawn: false
+        }
+      }
+    }
+
+  });
+
+  // load plugins
+  grunt.loadNpmTasks('grunt-contrib-coffee');
+  grunt.loadNpmTasks('grunt-contrib-sass');
+  grunt.loadNpmTasks('grunt-contrib-watch');
+
+  // do the tasks
+  grunt.registerTask('default', ['coffee', 'sass', 'watch']);
+
+};