fixing build issue

Author: ssarmokadam

devon4j-http-rest-client/index.asciidoc

@@ -126,7 +126,8 @@ You will add below dependency in core folder pom.xml
 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+) -->" })
+changeFile("httprestclient/core/pom.xml", { "file": "files/dependency.txt", "placeholder": "    <dependency>
+      <groupId>com.devonfw.java.starters</groupId>" })
 --
 
 Now, You will create a Java interface VisitormanagementRestService to invoke inside client.