Merge pull request #669 from zendesk/kzachradnik/PDSC-105-Add-Buttlers-OWNERSHIP-to-copenhagen-theme-repo

Add @zendesk/butlers as second code owner

Author: zendesk-kamil-zachradnik

.github/CODEOWNERS

@@ -3,3 +3,8 @@
 # LOCALIZATION
 **/translations/en-us.yml   @zendesk/localization
 translations.yml            @zendesk/localization
+
+# SERVICE_CATALOG
+src/modules/service-catalog       @zendesk/butlers
+templates/service_page.hbs        @zendesk/butlers
+templates/service_list_page.hbs   @zendesk/butlers