refactor: toast

package.json

@@ -56,6 +56,7 @@
     "i18next-browser-languagedetector": "^8.0.4",
     "lru-cache": "^11.0.2",
     "lucide-react": "^0.469.0",
+    "next-themes": "^0.4.6",
     "nostr-tools": "^2.13.0",
     "nstart-modal": "^2.0.0",
     "path-to-regexp": "^8.2.0",
@@ -64,6 +65,7 @@
     "react-dom": "^18.3.1",
     "react-i18next": "^15.2.0",
     "react-simple-pull-to-refresh": "^1.3.3",
+    "sonner": "^2.0.5",
     "tailwind-merge": "^2.5.5",
     "tailwindcss-animate": "^1.0.7",
     "tippy.js": "^6.3.7",