🚀 Initial commit: Biveki Day Bot with Docker deployment

✨ Features:
- 🤖 Telegram bot for task management between programmer and girlfriend
- 📝 Task creation with types (personal/shared) and priorities
- ⏰ Time-based reminders and notifications
- 📊 Statistics and progress tracking
- 🤝 Shared tasks for couples

🛠 Tech Stack:
- Backend: NestJS + TypeScript
- Database: PostgreSQL + TypeORM
- Bot: Telegraf
- Deployment: Docker + Docker Compose

🐳 Docker Deployment:
- Multi-stage Dockerfile for optimized builds
- Docker Compose with environment variables
- Health checks and automatic restarts
- Production-ready configuration

📦 Files included:
- Complete NestJS application
- Docker deployment configuration
- Environment variables setup
- Deployment scripts and documentation
- Health monitoring and logging

src/entities/task.entity.ts

@@ -0,0 +1,141 @@
+import {
+  Entity,
+  Column,
+  PrimaryGeneratedColumn,
+  ManyToOne,
+  CreateDateColumn,
+  UpdateDateColumn,
+  JoinColumn,
+} from 'typeorm';
+import { User } from './user.entity';
+
+export enum TaskStatus {
+  PENDING = 'pending',
+  IN_PROGRESS = 'in_progress',
+  COMPLETED = 'completed',
+  CANCELLED = 'cancelled',
+}
+
+export enum TaskPriority {
+  LOW = 'low',
+  MEDIUM = 'medium',
+  HIGH = 'high',
+  URGENT = 'urgent',
+}
+
+export enum TaskType {
+  PERSONAL = 'personal', // Личная задача (только для одного пользователя)
+  SHARED = 'shared', // Общая задача (для обоих)
+}
+
+@Entity('tasks')
+export class Task {
+  @PrimaryGeneratedColumn()
+  id: number;
+
+  @Column()
+  title: string;
+
+  @Column({ type: 'text', nullable: true })
+  description: string;
+
+  @Column({
+    type: 'enum',
+    enum: TaskStatus,
+    default: TaskStatus.PENDING,
+  })
+  status: TaskStatus;
+
+  @Column({
+    type: 'enum',
+    enum: TaskPriority,
+    default: TaskPriority.MEDIUM,
+  })
+  priority: TaskPriority;
+
+  @Column({
+    type: 'enum',
+    enum: TaskType,
+    default: TaskType.PERSONAL,
+  })
+  type: TaskType;
+
+  @Column({ type: 'timestamp', nullable: true })
+  dueDate: Date;
+
+  @Column({ type: 'timestamp', nullable: true })
+  reminderDate: Date;
+
+  @Column({ default: false })
+  reminderSent: boolean;
+
+  // Пользователь, которому назначена задача
+  @ManyToOne(() => User, (user) => user.assignedTasks, { nullable: true })
+  @JoinColumn({ name: 'assigned_to_id' })
+  assignedTo: User;
+
+  @Column({ name: 'assigned_to_id', nullable: true })
+  assignedToId: number;
+
+  // Пользователь, который создал задачу
+  @ManyToOne(() => User, (user) => user.createdTasks)
+  @JoinColumn({ name: 'created_by_id' })
+  createdBy: User;
+
+  @Column({ name: 'created_by_id' })
+  createdById: number;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  @UpdateDateColumn()
+  updatedAt: Date;
+
+  // Метод для получения эмодзи статуса
+  getStatusEmoji(): string {
+    switch (this.status) {
+      case TaskStatus.PENDING:
+        return '⏳';
+      case TaskStatus.IN_PROGRESS:
+        return '🔄';
+      case TaskStatus.COMPLETED:
+        return '✅';
+      case TaskStatus.CANCELLED:
+        return '❌';
+      default:
+        return '📝';
+    }
+  }
+
+  // Метод для получения эмодзи приоритета
+  getPriorityEmoji(): string {
+    switch (this.priority) {
+      case TaskPriority.LOW:
+        return '🟢';
+      case TaskPriority.MEDIUM:
+        return '🟡';
+      case TaskPriority.HIGH:
+        return '🟠';
+      case TaskPriority.URGENT:
+        return '🔴';
+      default:
+        return '⚪';
+    }
+  }
+
+  // Метод для получения эмодзи типа задачи
+  getTypeEmoji(): string {
+    return this.type === TaskType.SHARED ? '🤝' : '👤';
+  }
+
+  // Проверка, нужно ли отправить напоминание
+  shouldSendReminder(): boolean {
+    return (
+      !this.reminderSent &&
+      this.reminderDate &&
+      new Date() >= this.reminderDate &&
+      this.status !== TaskStatus.COMPLETED &&
+      this.status !== TaskStatus.CANCELLED
+    );
+  }
+}