Add exam score import and management workflows

web-react/.env.example

@@ -0,0 +1,7 @@
+# Development API requests are proxied to http://localhost:5255 by Vite.
+# Set this only when the API is hosted elsewhere.
+VITE_API_BASE_URL=
+
+# Links for pages that have not yet migrated. The development default is
+# http://localhost:5255; use the deployed Vue origin for shared previews.
+VITE_LEGACY_APP_URL=http://localhost:5255