update README.md and example

Author: JBlond

README.md

@@ -3,7 +3,33 @@
 [![Code Climate](https://codeclimate.com/github/JBlond/php-cli/badges/gpa.svg)](https://codeclimate.com/github/JBlond/php-cli) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/438eaa51c0464a689229709cfeb583bb)](https://www.codacy.com/app/leet31337/php-cli?utm_source=github.com&utm_medium=referral&utm_content=JBlond/php-cli&utm_campaign=Badge_Grade)
 
 
-php command line / cli scritping classes
+## php command line / cli scritping classes
+
+### Example
+
+```PHP
+<?php
+use jblond\cli\Cli;
+use jblond\cli\CliColors;
+
+$cli = new Cli();
+$colors = new CliColors();
+
+$string = $colors->getColoredString('This is a test','red','black');
+$cli->output($string); // normal 
+$cli->error($string); // error 
+
+// This input requires Hello or world as input
+$cli->input('Hello world: ',array('Hello','world'));
+
+// This input requires only test
+
+$cli->input('Test2: ', 'test');
+
+// Question with default N 
+$answer = $cli->input('Do this? y/N', array('y','n','Y','N'), 'N');
+echo $answer;
+```
 
 Inspired by the php.net docs
 http://php.net/manual/en/features.commandline.io-streams.php

example/cli.php

@@ -1,10 +1,19 @@
 <?php
+
+use jblond\cli\Cli;
+use jblond\cli\CliColors;
+
 require '../src/jblond/cli/Cli.php';
 require '../src/jblond/cli/CliColors.php';
-$cli = new \jblond\cli\Cli();
-$colors = new \jblond\cli\CliColors();
+
+$cli = new Cli();
+$colors = new CliColors();
+
 $string = $colors->getColoredString('This is a test','red','black');
 $cli->output($string);
 $cli->error($string);
-echo $cli->input('Hello world: ',array('Hello','world'));
-echo $cli->input('Test2: ', 'test');
+$cli->input('Hello world: ',array('Hello','world'));
+$cli->input('Test2: ', 'test');
+
+$answer = $cli->input('Do this? y/N', array('y','n','Y','N'), 'N');
+echo $answer;