Prepare for next CPS-NCMP release

- updated the docs.
- Bumped the version to 3.3.4-SNAPSHOT for the next release.

Issue-ID: CPS-1773
Change-Id: Ibe9a694baadb33d284913868452b143c14d105cc
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>
diff --git a/checkstyle/pom.xml b/checkstyle/pom.xml
index 2129244..a6fa570 100644
--- a/checkstyle/pom.xml
+++ b/checkstyle/pom.xml
@@ -26,7 +26,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.onap.cps</groupId>
     <artifactId>checkstyle</artifactId>
-    <version>3.3.3-SNAPSHOT</version>
+    <version>3.3.4-SNAPSHOT</version>
 
     <profiles>
         <profile>