fix(repository): Move backend code into subdirectory

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

backend/src/api/public/monitoring/monitoring.controller.ts

@@ -0,0 +1,48 @@
+/*
+ * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+import { Controller, Get, UseGuards } from '@nestjs/common';
+import { ApiSecurity, ApiTags } from '@nestjs/swagger';
+
+import { TokenAuthGuard } from '../../../auth/token.strategy';
+import { MonitoringService } from '../../../monitoring/monitoring.service';
+import { ServerStatusDto } from '../../../monitoring/server-status.dto';
+import { OpenApi } from '../../utils/openapi.decorator';
+
+@UseGuards(TokenAuthGuard)
+@OpenApi(401)
+@ApiTags('monitoring')
+@ApiSecurity('token')
+@Controller('monitoring')
+export class MonitoringController {
+  constructor(private monitoringService: MonitoringService) {}
+
+  @Get()
+  @OpenApi(
+    {
+      code: 200,
+      description: 'The server info',
+      dto: ServerStatusDto,
+    },
+    403,
+  )
+  getStatus(): Promise<ServerStatusDto> {
+    // TODO: toServerStatusDto.
+    return this.monitoringService.getServerStatus();
+  }
+
+  @Get('prometheus')
+  @OpenApi(
+    {
+      code: 200,
+      description: 'Prometheus compatible monitoring data',
+      mimeType: 'text/plain',
+    },
+    403,
+  )
+  getPrometheusStatus(): string {
+    return '';
+  }
+}