Update .gitignore

Update .gitignore

Issue-ID: SDC-1079

Change-Id: I5da10608c5c46512d65fd7d111ff370415f95b74
Signed-off-by: YuanHu <yuan.hu1@zte.com.cn>
diff --git a/.gitignore b/.gitignore
index 3acbdc4..9d96998 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 .classpath
 .project
 .settings/
+.checkstyle
 target/
 logs/
 debug-logs/
@@ -9,4 +10,5 @@
 test.xml
 test1.json
 bpmnworkflow.bpmn20.xml
-dist
\ No newline at end of file
+dist
+*.log