introduce the logging module

src/logging/logging.module.ts

@@ -0,0 +1,15 @@
+import { Module } from '@nestjs/common';
+import { MongooseModule } from '@nestjs/mongoose';
+import { LoggingService } from './logging.service';
+import { LoggingController } from './logging.controller';
+import { LogEntrySchema } from './models/logentry.model';
+
+@Module({
+  imports: [
+    MongooseModule.forFeature([{ name: 'logging', schema: LogEntrySchema }]),
+  ],
+  providers: [LoggingService],
+  controllers: [LoggingController],
+  exports: [MongooseModule, LoggingService],
+})
+export class LoggingModule {}