OP-408 - Added functionalities.md

README.md

@@ -10,6 +10,7 @@ At BitBag we do believe in open source. However, we are able to do it just becau
 ## Table of Content
 ---
 * [Overwiev](#overwiev)
+* [Functionalities](doc/functionalities.md)
 * [Support](#we-are-here-to-help)
 * [Installation](#installation)
   * [Requirements](#requirements)

doc/functionalities.md

@@ -0,0 +1,44 @@
+# Functionalities
+
+---
+## Introduction
+
+---
+BNP Paribas is an international banking group headquartered in Paris, France. It is one of the largest banks in Europe and operates worldwide.
+The bank offers a wide range of financial services, including retail banking, corporate banking,
+investment banking, as well as asset management and insurance.
+
+This plugin supports communication with the BNP Paribas payment system API and allows payment in a lots of different ways.
+<div align="center">
+    <img src="./images/payments.jpg"/>
+</div>
+
+More info:
+https://documentation.mercanet.bnpparibas.net/en/payment-means-index.html
+
+<br>
+
+## Usage
+
+---
+### Adding Payment Gate
+
+After installation, users can add the payment method
+<div align="center">
+    <img src="./images/payment_method_index.png"/>
+</div>
+<br>
+
+...by completing the data received from the service provider.
+<div align="center">
+    <img src="./images/payment_method_admin.png"/>
+</div>
+<br>
+
+### Use of the gateway
+
+When ordering, you can now choose to pay by card:
+<div align="center">
+    <img src="./images/payment_method.png"/>
+</div>
+<br>