server/models/Settings.js

const mongoose = require('mongoose');

const settingsSchema = new mongoose.Schema({
    key: { type: String, default: 'global', unique: true },
    storeAddress: { type: String, default: '' },
    mapEmbedUrl: { type: String, default: '' },
    adminPassword: { type: String, default: 'admin' }
}, { timestamps: true });

module.exports = mongoose.model('Settings', settingsSchema);