Authentication UX improved.

frontend/package-lock.json

@@ -16,6 +16,7 @@
         "@radix-ui/react-icons": "^1.3.0",
         "@tabler/icons-react": "^2.23.0",
         "chess.js": "^1.0.0-beta.6",
+        "js-cookie": "^3.0.5",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-hook-form": "^7.45.2",
@@ -2953,6 +2954,14 @@
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
       "dev": true
     },
+    "node_modules/js-cookie": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/js-cookie/-/js-cookie-3.0.5.tgz",
+      "integrity": "sha512-cEiJEAEoIbWfCZYKWhVwFuvPX1gETRYPw6LlaTKoxD3s2AkXzkCjnp6h0V77ozyqj0jakteJ4YqDJT830+lVGw==",
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",