Create Magento.md

Very concise guide. Added warning that the integration has not been extensively tested. Hopefully in future Magento users can add more information, test the integration and add more info for this document.

Author: pavlenex

Magento.md

@@ -0,0 +1,16 @@
+# BTCPay Magento Integration
+
+If you're using Magento, an an open-source e-commerce platform written in PHP, you can integrate BTCPay and use it as a payment processor.
+
+Please note that Magento integration has **not been extensively tested**.
+
+## Getting Started
+
+1. Download [BTCPay Magento Plugin](https://github.com/btcpayserver/magento-plugin)
+2. Follow the [quick-start guide here](https://github.com/bitpay/magento-plugin/blob/master/GUIDE.md)
+
+## Magento Support
+
+* [Homepage](http://magento.com)
+* [Documentation](http://docs.magentocommerce.com)
+* [Community Edition Support Forums](https://www.magentocommerce.com/support/ce/)