Bump cps to 3.4.0-SNAPSHOT

- bump cps to 3.4.0-SNAPSHOT and update the docs

Issue-ID: CPS-1936

Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>
Change-Id: I6a99662c72b236e49abcd79201156bf0a9572de7
diff --git a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-app/pom.xml b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-app/pom.xml
index 4bc5bc9..a2e947e 100644
--- a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-app/pom.xml
+++ b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-app/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onap.cps</groupId>
         <artifactId>dmi-plugin-demo-and-csit-stub</artifactId>
-        <version>3.3.10-SNAPSHOT</version>
+        <version>3.4.0-SNAPSHOT</version>
     </parent>
 
     <artifactId>dmi-plugin-demo-and-csit-stub-app</artifactId>