Book demo model and functionalities added

package-lock.json

@@ -33,6 +33,7 @@
         "jodit-react": "^5.2.26",
         "lucide-react": "^0.544.0",
         "next": "^16.0.10",
+        "nodemailer": "^8.0.3",
         "react": "^19.2.3",
         "react-day-picker": "^9.11.0",
         "react-dom": "^19.2.3",
@@ -45,6 +46,7 @@
       "devDependencies": {
         "@tailwindcss/postcss": "^4",
         "@types/node": "^20",
+        "@types/nodemailer": "^7.0.11",
         "@types/react": "^19",
         "@types/react-dom": "^19",
         "baseline-browser-mapping": "^2.9.19",
@@ -2709,6 +2711,16 @@
         "undici-types": "~6.21.0"
       }
     },
+    "node_modules/@types/nodemailer": {
+      "version": "7.0.11",
+      "resolved": "https://registry.npmjs.org/@types/nodemailer/-/nodemailer-7.0.11.tgz",
+      "integrity": "sha512-E+U4RzR2dKrx+u3N4DlsmLaDC6mMZOM/TPROxA0UAPiTgI0y4CEFBmZE+coGWTjakDriRsXG368lNk1u9Q0a2g==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/phoenix": {
       "version": "1.6.6",
       "resolved": "https://registry.npmjs.org/@types/phoenix/-/phoenix-1.6.6.tgz",
@@ -3639,6 +3651,15 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/nodemailer": {
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-8.0.3.tgz",
+      "integrity": "sha512-JQNBqvK+bj3NMhUFR3wmCl3SYcOeMotDiwDBvIoCuQdF0PvlIY0BH+FJ2CG7u4cXKPChplE78oowlH/Otsc4ZQ==",
+      "license": "MIT-0",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
     "node_modules/orderedmap": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/orderedmap/-/orderedmap-2.1.1.tgz",