feat: Enhance StatisticsController with versioning and bearer authentication for secure access

Author: letnull19A

src/statistics/statistics.controller.ts

@@ -1,5 +1,5 @@
 import { Controller, Get, Version } from '@nestjs/common';
-import { ApiTags, ApiOperation, ApiResponse } from '@nestjs/swagger';
+import { ApiTags, ApiOperation, ApiResponse, ApiBearerAuth } from '@nestjs/swagger';
 import { StatisticsService } from './statistics.service';
 import { UseGuards } from '@nestjs/common';
 import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
@@ -10,7 +10,9 @@ export class StatisticsController {
   constructor(private readonly statisticsService: StatisticsService) {}
 
   @Get()
+  @Version('1')
   @UseGuards(JwtAuthGuard)
+  @ApiBearerAuth()
   @ApiOperation({ summary: 'Получить статистику системы' })
   @ApiResponse({
     status: 200,