Add Permazen

Author: archiecobbs

README.md

@@ -713,6 +713,7 @@ _APIs that handle the persistence of objects._
 - [EclipseLink](https://www.eclipse.org/eclipselink/) - Supports a number of persistence standards: JPA, JAXB, JCA and SDO.
 - [Hibernate](http://hibernate.org/orm/) - Robust and widely used, with an active community. (LGPL-2.1-only)
 - [MyBatis](https://github.com/mybatis/mybatis-3) - Couples objects with stored procedures or SQL statements.
+- [Permazen](https://github.com/permazen/permazen) - Language-natural persistence layer.
 - [SimpleFlatMapper](https://github.com/arnaudroger/SimpleFlatMapper) - Simple database and CSV mapper.
 
 ### PaaS