Create KavenegarApi.php

Quick Start:
	copy this file in your project and edit KavenegarApi.php first line and insert your apikey and linenumber
	then copy and paste below line to quickly sent message!
		require("KavenegarApi.php");
		$api 	= new KavenegarApi();
		$result = $api->send('09120000000', 'Hi, This is for test!');