README: + example usage code, some minor changes

Author: flokixdev

README.md

@@ -1,4 +1,7 @@
-# Example implementation of EET in PHP
+# Implementation of EET Client in PHP
+
+[![Downloads this Month](https://img.shields.io/packagist/dm/ondrejnov/eet.svg)](https://packagist.org/packages/ondrejnov/eet)
+[![Latest stable](https://img.shields.io/packagist/v/ondrejnov/eet.svg)](https://packagist.org/packages/ondrejnov/eet)
 
 ## Installation
 Install ondrejnov/eet using  [Composer](http://getcomposer.org/):
@@ -17,15 +20,33 @@ Attached WSDL, key and certificate are intended for non-production usage (Playgr
 ## Example Usage
 Sample codes are located in examples/ folder
 
+```php
+use Ondrejnov\EET\Dispatcher;
+use Ondrejnov\EET\Receipt;
+
+$dispatcher = new Dispatcher(PLAYGROUND_WSDL, DIR_CERT . '/eet.key', DIR_CERT . '/eet.pem');
+
+$r = new Receipt();
+$r->uuid_zpravy = 'b3a09b52-7c87-4014-a496-4c7a53cf9120';
+$r->dic_popl = 'CZ72080043';
+$r->id_provoz = '181';
+$r->id_pokl = '1';
+$r->porad_cis = '1';
+$r->dat_trzby = new \DateTime();
+$r->celk_trzba = 1000;
+
+echo $dispatcher->send($r); // FIK code should be returned
+```
+
 ### License
 MIT
 
 ---
 
-# Ukázka implementace EET v PHP
+# Implementace EET klienta v PHP
 
 ## Instalace
-Install ondrejnov/eet using  [Composer](http://getcomposer.org/):
+Instalace ondrejnov/eet pomocí [Composer](http://getcomposer.org/):
 
 ```sh
 $ composer require ondrejnov/eet
@@ -41,6 +62,24 @@ Přiložené WSDL, klíč a certifikát jsou pro neprodukční prostředí (Play
 ## Ukázka použití
 Ukázky použití naleznete ve složce examples/
 
+```php
+use Ondrejnov\EET\Dispatcher;
+use Ondrejnov\EET\Receipt;
+
+$dispatcher = new Dispatcher(PLAYGROUND_WSDL, DIR_CERT . '/eet.key', DIR_CERT . '/eet.pem');
+
+$r = new Receipt();
+$r->uuid_zpravy = 'b3a09b52-7c87-4014-a496-4c7a53cf9120';
+$r->dic_popl = 'CZ72080043';
+$r->id_provoz = '181';
+$r->id_pokl = '1';
+$r->porad_cis = '1';
+$r->dat_trzby = new \DateTime();
+$r->celk_trzba = 1000;
+
+echo $dispatcher->send($r); // Měl by být vrácen FIK kód
+```
+
 ### Licence
 MIT