Update README.md

README.md

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 This module is quite simple. It allows you to add the prefix and suffix for the sales documents: orders, invoices, shipments, and credit memos. It provides an friendly UI to manage sales number for all stores.
 
+
+## Installation
+
+##### Using Composer (we recommended)
+
+```
+composer require boolfly/module-sales-sequence
+```
+
+## Configuration
 Log in to Magento Admin > **SALES > Operations > Sales Sequence**
 
 ![Sales sequence](https://github.com/boolfly/wiki/blob/master/magento/magento2/images/sales_sequence/sales-sequence-01.png)
 
-Sales sequence listing
+#### Sales sequence listing
 
 ![Sales sequence listing](https://github.com/boolfly/wiki/blob/master/magento/magento2/images/sales_sequence/sales-sequence-02.png)
 
-Sales sequence editing page
+#### Sales sequence editing page
 
 ![Sales sequence editing page](https://github.com/boolfly/wiki/blob/master/magento/magento2/images/sales_sequence/sales-sequence-03.png)
 
+## How does it work?
+
 Order number info:
 
 ![Order number info](https://github.com/boolfly/wiki/blob/master/magento/magento2/images/sales_sequence/sales-sequence-04.png)
 
 ![Order number info](https://github.com/boolfly/wiki/blob/master/magento/magento2/images/sales_sequence/sales-sequence-05.png)
 
+Contribution
+---
+Want to contribute to this extension? The quickest way is to open a [pull request on GitHub](https://help.github.com/articles/using-pull-requests)
+
+Magento 2 Extensions
+---
+
+- [Ajax Wishlist](https://github.com/boolfly/ajax-wishlist) 
+- [Quick View](https://github.com/boolfly/quick-view)
+- [Banner Slider](https://github.com/boolfly/banner-slider)
+- [Product Label](https://github.com/boolfly/product-label) 
+- [ZaloPay](https://github.com/boolfly/zalo-pay) 
+- [Momo](https://github.com/boolfly/momo-wallet) 
+- [Blog](https://github.com/boolfly/blog)
+- [Brand](https://github.com/boolfly/brand) 
+- [Product Question](https://github.com/boolfly/product-question)
+
+Support
+---
+If you encounter any problems or bugs, please open an issue on [GitHub](https://github.com/boolfly/sales-sequence/issues).
 
+Need help settings up or want to customize this extension to meet your business needs? Please email [email protected] and if we like your idea we will add this feature for free or at a discounted rate.