update penggunaan API

README.md

@@ -2,3 +2,57 @@
 Unofficial API cek pajak esamsat jateng
 
 ![image](https://user-images.githubusercontent.com/16686825/234086044-10b56c4f-439b-4ef1-a6a5-894ab1c45515.png)
+
+## Installation
+-----
+
+Require this package with composer using the following command:
+
+```bash
+composer require lintangtimur/cek-pajak-api
+```
+
+## Example
+----
+
+#### Register
+```php
+<?php
+use Stelin\CekPajakApi\CekPajak;
+
+$form = [
+    "name"=> 'lintang',
+    'email'=> '[email protected]',
+    'password'=>'123456'
+];
+
+$reg = new CekPajak()
+$reg = (new CekPajak)->register($form);
+```
+
+#### Login
+```php
+<?php
+use Stelin\CekPajakApi\CekPajak;
+
+$form = [
+    "name"=> 'lintang',
+    'email'=> '[email protected]',
+    'password'=>'123456'
+];
+
+$login = new CekPajak()
+$login = (new CekPajak)->login($form)->accessToken;
+```
+
+#### Check Pajak
+```php
+<?php
+use Stelin\CekPajakApi\CekPajak;
+
+$cp = new CekPajak($accessToken)
+$cp->cekPajak('H','1234','AA')->totalPkbPokok;
+
+//Melihat rincian akhir pajak
+$a->cekPajak('H','1234','AA')->rincian->masaAkhirBerlakuPajak;
+```