Create codeowners file

.github/CODEOWNERS

@@ -0,0 +1,18 @@
+*                           @Haarolean
+
+
+# BACKEND
+pom.xml                     @provectus/kafka-backend
+
+kafka-ui-contract/*         @provectus/kafka-backend
+
+kafka-ui-api/*              @provectus/kafka-backend
+
+# FRONTEND
+kafka-ui-react-app/*        @provectus/kafka-frontend
+
+# TESTS
+kafka-ui-e2e-checks/*       @provectus/kafka-qa
+
+# HELM CHARTS
+charts/*                    @provectus/kafka-devops