Ignore additional artifact folder produced by maven

Issue-Ref: 3620
Issue-Url: https://af3-developer.fortiss.org/issues/3620


Signed-off-by: Alexander Diewald <diewald@fortiss.org>

.gitignore

@@ -2,6 +2,7 @@
 /*/build/
 /*/generated-src/
 /*/target/
+/target/
 *.rej
 .DS_Store
 ._.DS_Store