XMPU-242 Add information about Xenit on README page
XMPU-242 Add information about Xenit on README page

laurentvdl/dynamic-extensions-for-alfresco,laurentvdl/dynamic-extensions-for-alfresco,xenit-eu/dynamic-extensions-for-alfresco,laurentvdl/dynamic-extensions-for-alfresco,xenit-eu/dynamic-extensions-for-alfresco