add business categories CRUD module

src/app.module.ts

@@ -1,9 +1,17 @@
 import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { TypeOrmModule } from '@nestjs/typeorm';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
+import { dataSourceOptions } from './config/typeorm.config';
+import { BusinessCategoriesModule } from './modules/business-categories/business-categories.module';
 
 @Module({
-  imports: [],
+  imports: [
+    ConfigModule.forRoot({ isGlobal: true }),
+    TypeOrmModule.forRoot(dataSourceOptions),
+    BusinessCategoriesModule,
+  ],
   controllers: [AppController],
   providers: [AppService],
 })