Adds basic formating test

[Closes #7]

Gruntfile.js

@@ -0,0 +1,29 @@
+module.exports = function(grunt) {
+  "use strict";
+
+  grunt.loadNpmTasks('grunt-lintspaces');
+
+  var config = {};
+
+  config.lintspaces = {
+    all: {
+      src: [
+        'Gruntfile.js',
+        'makefile',
+        'bullet-train.zsh-theme',
+        'README.md'
+      ],
+      options: {
+        newline: true,
+        newlineMaximum: 2,
+        trailingspaces: true,
+        indentation: 'spaces',
+        spaces: 2
+      }
+    },
+  };
+
+  grunt.initConfig(config);
+
+  grunt.registerTask("test", "lintspaces:all");
+};

package.json

@@ -4,7 +4,7 @@
   "description": "A Powerline-like theme for oh-my-zsh",
   "main": "bullet-train.zsh-theme",
   "scripts": {
-    "test": "npm test"
+    "test": "grunt test"
   },
   "repository": {
     "type": "git",
@@ -15,5 +15,10 @@
   "bugs": {
     "url": "https://github.com/caiogondim/bullet-train-oh-my-zsh-theme/issues"
   },
-  "homepage": "https://github.com/caiogondim/bullet-train-oh-my-zsh-theme"
+  "homepage": "https://github.com/caiogondim/bullet-train-oh-my-zsh-theme",
+  "devDependencies": {
+    "grunt": "^0.4.5",
+    "grunt-cli": "^0.1.13",
+    "grunt-lintspaces": "^0.6.0"
+  }
 }