add api headermenu and crud management

models/HeaderMenu.js

@@ -0,0 +1,48 @@
+const mongoose = require('mongoose');
+
+const HeaderMenuSchema = new mongoose.Schema({
+  title: {
+    type: String,
+    required: true,
+    trim: true
+  },
+  slug: {
+    type: String,
+    required: true,
+    trim: true,
+    lowercase: true
+  },
+  url: {
+    type: String,
+    required: true,
+    trim: true
+  },
+  parentId: {
+    type: mongoose.Schema.Types.ObjectId,
+    ref: 'HeaderMenu',
+    default: null
+  },
+  order: {
+    type: Number,
+    default: 0
+  },
+  status: {
+    type: String,
+    enum: ['active', 'inactive'],
+    default: 'active'
+  },
+  type: {
+    type: String,
+    enum: ['internal', 'external'],
+    default: 'internal'
+  }
+}, {
+  timestamps: true
+});
+
+// Indexes for optimization
+HeaderMenuSchema.index({ order: 1 });
+HeaderMenuSchema.index({ status: 1 });
+HeaderMenuSchema.index({ parentId: 1, order: 1 }); // Useful for fetching children in order
+
+module.exports = mongoose.model('HeaderMenu', HeaderMenuSchema);