[lib] Add meow and chalk for cli

- meow use minimist for parsing command line args
- chalk is used for colorful output

bin/about.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+'use strict';
+const meow = require('meow');
+const chalk = require('chalk');
+const error = chalk.bold.red;
+console.log(error('Error!'));
+
+const cli = meow(`
+    Usage
+      $ foo <input>
+
+    Options
+      --rainbow, -r  Include a rainbow
+
+    Examples
+      $ foo unicorns --rainbow
+      🌈 unicorns 🌈
+`, {
+    alias: {
+        r: 'rainbow'
+    }
+});
+/*
+ {
+ input: ['unicorns'],
+ flags: {rainbow: true},
+ ...
+ }
+ */
+// node about.js unicorns --rainbow
+// unicorns { rainbow: true, r: true }
+console.log(cli.input[0], cli.flags);

package.json

@@ -23,7 +23,10 @@
     "url": "https://github.com/tongquhq/about/issues"
   },
   "homepage": "https://github.com/tongquhq/about#readme",
-  "dependencies": {},
+  "dependencies": {
+    "chalk": "^1.1.3",
+    "meow": "^3.7.0"
+  },
   "devDependencies": {
     "chai": "3.5.0",
     "coveralls": "^2.11.12",