[github] Add the code_owner review quest

.github/CODEOWNERS

@@ -0,0 +1,9 @@
+# CODEOWNERS for autoreview assigning in github
+
+# https://help.github.com/en/articles/about-code-owners#codeowners-syntax
+
+/.github                                  @supperthomas
+/bsp                                      @mysterywolf
+/components                               @mysterywolf
+/examples                                 @Guozhanxin
+