Mapping specification file

Added the name and path of the mapping specification file in the description.

Author: dperiwal

README.md

@@ -9,7 +9,7 @@ Some highlights:
 *The object model consists of two inter-related POJO classes (User and Group).
 *The many-to-many relationship among User and Group is realized using an intermediate join class (UserGroup).
 *The collection of many objects may be a List, an array, or a Vector.
-*The declarative mapping specification is simple, intuitive, non-intrusive, and succinct. 
+*The declarative mapping specification (in the file .../res/raw/manytomany_example.jdx) is simple, intuitive, non-intrusive, and succinct. 
 *API calls for CRUD operations are simple and flexible. They show the following features: 
  -	Deep query,	Shallow query
 *JDXA provides handy utility methods for displaying an object or a list of objects.