Edit README to refer users to Spring Initializer to get started.

README.adoc

@@ -18,11 +18,30 @@ include::https://raw.githubusercontent.com/spring-guides/getting-started-macros/
 
 include::https://raw.githubusercontent.com/spring-guides/getting-started-macros/master/how_to_complete_this_guide.adoc[]
 
-include::https://raw.githubusercontent.com/spring-guides/getting-started-macros/master/hide-show-gradle.adoc[]
+[[scratch]]
+== Starting with Spring Initializr
 
-include::https://raw.githubusercontent.com/spring-guides/getting-started-macros/master/hide-show-maven.adoc[]
+For all Spring applications, you should start with the https://start.spring.io[Spring Initializr]. Spring Initializr
+offers a fast way to pull in all the dependencies you need for an application and does a lot of the set up for you.
+This example needs "_Spring for Apache Geode_" dependency.
 
-include::https://raw.githubusercontent.com/spring-guides/getting-started-macros/master/hide-show-sts.adoc[]
+The following listing shows an example `pom.xml` file when using Maven:
+
+====
+[src,xml]
+----
+include::complete/pom.xml[]
+----
+====
+
+The following listing shows an example `build.gradle` file when using Gradle:
+
+====
+[src,gradle]
+----
+include::complete/build.gradle[]
+----
+====
 
 [[initial]]
 == Define a simple entity