added connection to the dataBase

src/app.module.ts

@@ -1,10 +1,24 @@
 import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
+import { UserModule } from './user/user.module';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { User } from './user/entities/user.entity';
 
 @Module({
-  imports: [],
+  imports: [
+    TypeOrmModule.forRoot({
+      type: 'mysql',
+      host: 'localhost',
+      port: 3306,
+      username: 'root',
+      password: 'root',
+      database: 'test',
+      entities: [User],
+      synchronize: false,
+    }),
+    UserModule],
   controllers: [AppController],
   providers: [AppService],
 })
-export class AppModule {}
+export class AppModule { }