Add README.md

README.md

+This springboot application is for call rest services from BookStore API (https://gitlab.mynisum.com/nvakiti/bookstore-api.git)
+
+Below are the URL's of BookStore App
+
+http://localhost:8082/getbooks 
+Above Url access http://localhost:8083/getbookdetails BookStore-API Rest service
+
+http://localhost:8082/getauthor
+Above Url access http://localhost:8083/getauthordetails BookStore-API Rest service
+
+http://localhost:8082/addbooks
+Above Url access http://localhost:8083/addbookdetails BookStore-API Rest service
+
+
+Same above URL's we can access through gateway application using below URL's
+http://localhost:8081/bookstore/getbooks
+http://localhost:8081/bookstore/getauthor
+http://localhost:8081/bookstore/addbooks
+
+