Generate copyright year in swagger template code

- exclude generated source code from checkstyle by default

Change-Id: I3f79183a8aae1f24d36558860555b5b0298cd8c3
diff --git a/pom.xml b/pom.xml
index 0c2eeb2..c6672d2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,6 +70,7 @@
 
         <module>tools/package/archetypes</module>
         <module>tools/package/branding</module>
+        <module>tools/package/maven-plugin</module>
 
         <module>pipelines</module>
     </modules>