Add working viewer link and unblock the main.

Author: DraTeots

README.md

@@ -2,6 +2,12 @@
 
 [![Frontend CI/CD Workflow](https://github.com/eic/firebird/actions/workflows/frontend.yaml/badge.svg?branch=main)](https://github.com/eic/firebird/actions/workflows/frontend.yaml)
 
+
+Visit working display: 
+
+https://eic.github.io/firebird/
+
+
 ## Development server
 
 Run `ng serve` in `firebird-ng` for a dev server. Navigate to `http://localhost:4200/`. The application will automatically reload if you change any of the source files.