feat: notificaciones toast con sileo (pnpm) + aviso en campana

frontend/package.json

@@ -15,7 +15,8 @@
     "next": "16.3.4",
     "react": "^19.3.0",
     "react-bootstrap": "^2.10.10",
-    "react-dom": "^19.3.0"
+    "react-dom": "^19.3.0",
+    "sileo": "^0.1.6"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",