add code owner (#376)

* add code owner

* remove comma

* refine

* refine

.github/CODEOWNERS

@@ -0,0 +1,6 @@
+* yingchun.guo@intel.com iris.ding@intel.com malini.bhandaru@intel.com
+/authN-authZ/ ruoyu.ying@intel.com
+/helm-charts/ dolpher.du@intel.com lianhao.lu@intel.com
+/kubernetes-addons/ yingchun.guo@intel.com
+/microservices-connector/ huailong.zhang@intel.com kefei.zhang@intel.com
+/scripts/ yingchun.guo@intel.com