[CORD-1631] Adding extra files to gui extensions

Change-Id: I5268d9e34a859365c13087430a53d63711621b11
diff --git a/profile_manifests/mock-ecord-global.yml b/profile_manifests/mock-ecord-global.yml
index 46927ed..b4a471b 100644
--- a/profile_manifests/mock-ecord-global.yml
+++ b/profile_manifests/mock-ecord-global.yml
@@ -36,6 +36,8 @@
 enabled_gui_extensions:
   - name: metro-net-gui
     path: orchestration/xos_services/metro-net/xos/gui
+    extra_files:
+      - app/style/style.css
 
 # paths defined in manifest/default.xml
 xos_services: