Merge branch 'master' of https://github.com/davidecesarano/Embryo-Http

Author: davidecesarano

README.md

@@ -1,15 +1,32 @@
 # Embryo Http
-A PSR-7 and PSR-17 implementation for HTTP messages and factory.
+A PSR-7 and PSR-17 implementation for HTTP messages and factory. 
+An HTTP message is either a request from a client to a server or a response from a server to a client. An HTTP factory is a method by which a new HTTP object, as defined by PSR-7, is created. 
 
 ## Requirements
 * PHP >= 7.1
 
 ## Installation
-It's recommendend that you use Composer to install this library:
+Using Composer:
 ```
 $ composer require davidecesarano/embryo-http
 ```
 
 ## Usage
-coming soon
+### Request
+```php
+$request = (new RequestFactory)->createRequest('GET', 'http://example.com');
+```
+### Server Request
+```php
+// create server request
+$request = (new RequestFactory)->createServerRequest('GET', 'http://example.com');
+
+// create server request from server
+$request = (new RequestFactory)->createServerRequestFromServer();
+```
+### Response
+```php
+$request = (new ResponseFactory)->createResponse(200);
+```
 
+###