Update README.md

update requirements

Author: optimistex

README.md

@@ -5,7 +5,7 @@ It does auto deploy your site to hosting
 
 # Requirements
 
-1. PHP server
+1. PHP 7 server 
 2. Access to perform **shell** commands
 3. Installed **GIT** on target hosting
 
@@ -52,4 +52,4 @@ require_once 'vendor/autoload.php';
 ```
 
 That ``'php' => 'composer.phar install'`` used for expanding "php" to absolute path. 
-There is required an absolute path because just "php" don't working by relative path!
+There is required an absolute path because just "php" don't working by relative path!