feat: add email verification and dark mode

package-lock.json

@@ -21,6 +21,7 @@
         "next": "16.2.4",
         "next-auth": "^4.24.14",
         "next-themes": "^0.4.6",
+        "nodemailer": "^7.0.13",
         "pg": "^8.20.0",
         "qrcode.react": "^4.2.0",
         "react": "19.2.4",
@@ -37,6 +38,7 @@
       "devDependencies": {
         "@tailwindcss/postcss": "^4",
         "@types/node": "^20",
+        "@types/nodemailer": "^8.0.0",
         "@types/react": "^19",
         "@types/react-dom": "^19",
         "dotenv": "^17.4.2",
@@ -3438,6 +3440,16 @@
         "undici-types": "~6.21.0"
       }
     },
+    "node_modules/@types/nodemailer": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@types/nodemailer/-/nodemailer-8.0.0.tgz",
+      "integrity": "sha512-fyf8jWULsCo0d0BuoQ75i6IeoHs47qcqxWc7yUdUcV0pOZGjUTTOvwdG1PRXUDqN/8A64yQdQdnA2pZgcdi+cA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/pg": {
       "version": "8.20.0",
       "resolved": "https://registry.npmjs.org/@types/pg/-/pg-8.20.0.tgz",
@@ -9861,6 +9873,16 @@
       "integrity": "sha512-1h5gKZCF+pO/o3Iqt5Jp7wc9rH3eJJ0+nh/CIoiRwjRxde/hAHyLPXYN4V3CqKAbiZPSeJFSWHmJsbkicta0Eg==",
       "license": "MIT"
     },
+    "node_modules/nodemailer": {
+      "version": "7.0.13",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-7.0.13.tgz",
+      "integrity": "sha512-PNDFSJdP+KFgdsG3ZzMXCgquO7I6McjY2vlqILjtJd0hy8wEvtugS9xKRF2NWlPNGxvLCXlTNIae4serI7dinw==",
+      "license": "MIT-0",
+      "peer": true,
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/npm-run-path": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-6.0.0.tgz",