add vercel analytics and SpeedInsights

package-lock.json

@@ -10,6 +10,7 @@
       "dependencies": {
         "@tailwindcss/postcss": "^4.1.7",
         "@types/qrcode": "^1.5.5",
+        "@vercel/analytics": "^1.5.0",
         "@vercel/speed-insights": "^1.2.0",
         "next": "^14.0.0",
         "qrcode": "^1.5.4",
@@ -1061,6 +1062,44 @@
         "@types/react": "^18.0.0"
       }
     },
+    "node_modules/@vercel/analytics": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/@vercel/analytics/-/analytics-1.5.0.tgz",
+      "integrity": "sha512-MYsBzfPki4gthY5HnYN7jgInhAZ7Ac1cYDoRWFomwGHWEX7odTEzbtg9kf/QSo7XEsEAqlQugA6gJ2WS2DEa3g==",
+      "license": "MPL-2.0",
+      "peerDependencies": {
+        "@remix-run/react": "^2",
+        "@sveltejs/kit": "^1 || ^2",
+        "next": ">= 13",
+        "react": "^18 || ^19 || ^19.0.0-rc",
+        "svelte": ">= 4",
+        "vue": "^3",
+        "vue-router": "^4"
+      },
+      "peerDependenciesMeta": {
+        "@remix-run/react": {
+          "optional": true
+        },
+        "@sveltejs/kit": {
+          "optional": true
+        },
+        "next": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        },
+        "svelte": {
+          "optional": true
+        },
+        "vue": {
+          "optional": true
+        },
+        "vue-router": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@vercel/speed-insights": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/@vercel/speed-insights/-/speed-insights-1.2.0.tgz",