Add mr-vulnz-banner

This banner will direct visitors to the old issue tracker when viewing
the vulnz project, in case they want to see old vulnerability reports.

GitOrigin-RevId: c50c234ed30ef17d02961b2c4bfb869d59ea090e
diff --git a/static_src/elements/mr-app/mr-app.js b/static_src/elements/mr-app/mr-app.js
index 8fe3dad..7c7e002 100644
--- a/static_src/elements/mr-app/mr-app.js
+++ b/static_src/elements/mr-app/mr-app.js
@@ -9,6 +9,7 @@
 
 import {getServerStatusCron} from 'shared/cron.js';
 import 'elements/framework/mr-site-banner/mr-site-banner.js';
+import 'elements/framework/mr-vulnz-banner/mr-vulnz-banner.js';
 import {store, connectStore} from 'reducers/base.js';
 import * as projectV0 from 'reducers/projectV0.js';
 import {hotlists} from 'reducers/hotlists.js';
@@ -85,6 +86,7 @@
         .logoutUrl=${this.logoutUrl}
       ></mr-header>
       <mr-site-banner></mr-site-banner>
+      <mr-vulnz-banner></mr-vulnz-banner>
       <mr-cue
         cuePrefName=${cueNames.SWITCH_TO_PARENT_ACCOUNT}
         .loginUrl=${this.loginUrl}