Adding introduction to readme

Author: Maarten Bremer

readme.md

@@ -1,4 +1,9 @@
 # Xolphin API wrapper for Python
+xolphin-python-api is a library which allows quick integration of the [Xolphin REST API](https://api.xolphin.com) in Python to automated ordering, issuance and installation of SSL Certificates.
+
+## About Xolphin
+[Xolphin](https://www.xolphin.nl/) is the largest supplier of [SSL Certificates](https://www.sslcertificaten.nl) and [Digital Signatures](https://www.digitalehandtekeningen.nl) in the Netherlands. Xolphin has  
+a professional team providing reliable support and rapid issuance of SSL Certificates at an affordable price from industry leading brands such as Comodo, GeoTrust, GlobalSign, Thawte and Symantec.
 
 ## Library installation