feat(front-end): admin desing improvements

backend/src/main/resources/application-local.properties

@@ -3,6 +3,11 @@ app.mail.admin.enabled=false
 app.mail.contact-request.admin.enabled=false
 
 # Admin back-office local test credentials
-admin.password=local-admin-password
+admin.password=ciaociao
 admin.session.secret=local-session-secret-for-dev-only-000000000000000000000000
 admin.session.ttl-minutes=480
+
+# Local media storage served by a local static server on port 8081.
+media.storage.root=/Users/joe/IdeaProjects/print-calculator/storage_media
+media.public.base-url=http://localhost:8081
+media.ffmpeg.path=/opt/homebrew/bin/ffmpeg