feat: log message added for Xray stop request

Author: kastov

src/modules/xray-core/xray.controller.ts

@@ -42,6 +42,8 @@ export class XrayController {
 
     @Get(XRAY_ROUTES.STOP)
     public async stopXray(): Promise<StopXrayResponseDto> {
+        this.logger.log('Remnawave requested to stop Xray.');
+
         const response = await this.xrayService.stopXray();
         const data = errorHandler(response);