feat: Реализован полный CRUD для админ-панели и улучшена функциональность

- Portfolio CRUD: добавление, редактирование, удаление, переключение публикации
- Services CRUD: полное управление услугами с возможностью активации/деактивации
- Banner system: новая модель Banner с CRUD операциями и аналитикой кликов
- Telegram integration: расширенные настройки бота, обнаружение чатов, отправка сообщений
- Media management: улучшенная загрузка файлов с оптимизацией изображений и превью
- UI improvements: обновлённые админ-панели с rich-text редактором и drag&drop загрузкой
- Database: добавлена таблица banners с полями для баннеров и аналитики

models/SiteSettings.js

@@ -1,116 +1,82 @@
-const mongoose = require('mongoose');
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database');
 
-const siteSettingsSchema = new mongoose.Schema({
+const SiteSettings = sequelize.define('SiteSettings', {
+  id: {
+    type: DataTypes.UUID,
+    defaultValue: DataTypes.UUIDV4,
+    primaryKey: true
+  },
   siteName: {
-    type: String,
-    default: 'SmartSolTech'
+    type: DataTypes.STRING,
+    defaultValue: 'SmartSolTech'
   },
   siteDescription: {
-    type: String,
-    default: 'Innovative technology solutions for modern businesses'
+    type: DataTypes.TEXT,
+    defaultValue: 'Innovative technology solutions for modern businesses'
   },
   logo: {
-    type: String,
-    default: '/images/logo.png'
+    type: DataTypes.STRING,
+    defaultValue: '/images/logo.png'
   },
   favicon: {
-    type: String,
-    default: '/images/favicon.ico'
+    type: DataTypes.STRING,
+    defaultValue: '/images/favicon.ico'
   },
   contact: {
-    email: {
-      type: String,
-      default: 'info@smartsoltech.kr'
-    },
-    phone: {
-      type: String,
-      default: '+82-10-0000-0000'
-    },
-    address: {
-      type: String,
-      default: 'Seoul, South Korea'
+    type: DataTypes.JSONB,
+    defaultValue: {
+      email: 'info@smartsoltech.kr',
+      phone: '+82-10-0000-0000',
+      address: 'Seoul, South Korea'
     }
   },
   social: {
-    facebook: String,
-    twitter: String,
-    linkedin: String,
-    instagram: String,
-    github: String,
-    telegram: String
+    type: DataTypes.JSONB,
+    defaultValue: {}
   },
   telegram: {
-    botToken: String,
-    chatId: String,
-    isEnabled: {
-      type: Boolean,
-      default: false
+    type: DataTypes.JSONB,
+    defaultValue: {
+      isEnabled: false
     }
   },
   seo: {
-    metaTitle: {
-      type: String,
-      default: 'SmartSolTech - Technology Solutions'
-    },
-    metaDescription: {
-      type: String,
-      default: 'Professional web development, mobile apps, and digital solutions in Korea'
-    },
-    keywords: {
-      type: String,
-      default: 'web development, mobile apps, UI/UX design, Korea, technology'
-    },
-    googleAnalytics: String,
-    googleTagManager: String
+    type: DataTypes.JSONB,
+    defaultValue: {
+      metaTitle: 'SmartSolTech - Technology Solutions',
+      metaDescription: 'Professional web development, mobile apps, and digital solutions in Korea',
+      keywords: 'web development, mobile apps, UI/UX design, Korea, technology'
+    }
   },
   hero: {
-    title: {
-      type: String,
-      default: 'Smart Technology Solutions'
-    },
-    subtitle: {
-      type: String,
-      default: 'We create innovative digital experiences that drive business growth'
-    },
-    backgroundImage: {
-      type: String,
-      default: '/images/hero-bg.jpg'
-    },
-    ctaText: {
-      type: String,
-      default: 'Get Started'
-    },
-    ctaLink: {
-      type: String,
-      default: '#contact'
+    type: DataTypes.JSONB,
+    defaultValue: {
+      title: 'Smart Technology Solutions',
+      subtitle: 'We create innovative digital experiences that drive business growth',
+      backgroundImage: '/images/hero-bg.jpg',
+      ctaText: 'Get Started',
+      ctaLink: '#contact'
     }
   },
   about: {
-    title: {
-      type: String,
-      default: 'About SmartSolTech'
-    },
-    description: {
-      type: String,
-      default: 'We are a team of passionate developers and designers creating cutting-edge technology solutions.'
-    },
-    image: {
-      type: String,
-      default: '/images/about.jpg'
+    type: DataTypes.JSONB,
+    defaultValue: {
+      title: 'About SmartSolTech',
+      description: 'We are a team of passionate developers and designers creating cutting-edge technology solutions.',
+      image: '/images/about.jpg'
     }
   },
   maintenance: {
-    isEnabled: {
-      type: Boolean,
-      default: false
-    },
-    message: {
-      type: String,
-      default: 'We are currently performing maintenance. Please check back soon.'
+    type: DataTypes.JSONB,
+    defaultValue: {
+      isEnabled: false,
+      message: 'We are currently performing maintenance. Please check back soon.'
     }
   }
 }, {
+  tableName: 'site_settings',
   timestamps: true
 });
 
-module.exports = mongoose.model('SiteSettings', siteSettingsSchema);
+module.exports = SiteSettings;