feat: use case 1 layout (#4)

* feat: add layout

* feat: set page with warning

* feat: PR fixes

Author: korkija

DocuSign.Workspaces/DocuSign.Workspaces/ClientApp/package-lock.json

@@ -16,6 +16,7 @@
     "react": "^19.2.0",
     "react-bootstrap": "^2.10.10",
     "react-dom": "^19.2.0",
+    "react-hot-toast": "^2.6.0",
     "react-i18next": "^16.3.5",
     "react-router-dom": "^7.9.6",
     "react-scripts": "5.0.1",