re-integration of grunt

js/Gruntfile.js

@@ -0,0 +1,40 @@
+module.exports = function(grunt) {
+ 
+  grunt.initConfig({
+    imagemin: {
+      dynamic: {
+        files: [{
+          expand: true,
+          cwd: 'img/',
+          src: ['*.{png,jpg,gif}'],
+          dest: 'img/'
+        }]
+      }
+    },
+    sass: {
+      dist: {
+        options: {
+          style: 'compressed'
+        },
+        files: { 'style.css': 'css/style.scss' }
+      }
+    },
+    watch: {
+      css: {
+        files: ['css/*.scss'],
+        tasks: ['sass'],
+        options: {
+          livereload: true
+        }
+      }
+    }
+  });
+ 
+ 
+  grunt.loadNpmTasks('grunt-contrib-imagemin');
+  grunt.loadNpmTasks('grunt-contrib-sass');
+  grunt.loadNpmTasks('grunt-contrib-watch');
+ 
+  grunt.registerTask('default', ['imagemin', 'sass', 'watch']);
+ 
+};