fixing build issue

Author: ssarmokadam

devon4j-http-rest-client/index.asciidoc

@@ -121,14 +121,14 @@ You will add below dependency in core folder pom.xml
 </dependency>
 
 ----
+====
+
 Modify pom.xml as below:
+[step]
 --
 changeFile("httprestclient/core/pom.xml", { "file": "files/dependency.txt", "placeholder": "<!-- Starter for asynchronous consuming REST services via Jaca HTTP Client (Java11+) -->" })
 --
 
-====
-
-
 Now, You will create a Java interface VisitormanagementRestService to invoke inside client.
 [step]
 == Create service to invoke server