add link to tutorial

andimarek · andimarek · commit 0cb1bc8c188b · 2019-01-31T10:01:57.000+11:00
diff --git a/book-details/README.md b/book-details/README.md
@@ -2,4 +2,4 @@
 
 
 This is the source code for the "Getting started with GraphQL Java and Spring Boot" which 
-is available here: 
+is available here: https://www.graphql-java.com/tutorials/getting-started-with-spring-boot/ 

Original file line number	Diff line number	Diff line change
`@@ -2,4 +2,4 @@`
`2`	`2`
`3`	`3`
`4`	`4`	`This is the source code for the "Getting started with GraphQL Java and Spring Boot" which`
`5`		`-is available here:`
	`5`	`+is available here: https://www.graphql-java.com/tutorials/getting-started-with-spring-boot/`