Update README.md

Author: BaseMax

README.md

@@ -1,3 +1,13 @@
 # Net PHP
 
 Useful functions for connecting to the network in the PHP based applications.
+
+## Features
+
+- Send GET Requests
+- Send POST Requests
+- Support Cookie Manager
+- Ability to send headers to requests
+- Ability to set the referrer URL header.
+- Parse Response Headers
+- Detect 404 pages and return a False value(bool)... [[v1.1]](https://github.com/BaseMax/NetPHP/releases/tag/1.1)