add swagger

things/nest-koishijs/install-npm.sh

 #!/bin/bash
 npm install --save \
+	class-validator \
+	class-transformer \
+	@nestjs/swagger \
+	swagger-ui-express \
 	lodash \
 	typeorm \
 	@nestjs/typeorm \
@@ -11,3 +15,4 @@ npm install --save \
 
 npm install --save-dev \
 	@types/lodash
+	@types/express

things/nest-koishijs/src/main.ts

 import { NestFactory } from '@nestjs/core';
+import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
 import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
   app.enableCors();
+
+  const documentConfig = new DocumentBuilder()
+    .setTitle('app')
+    .setDescription('The app')
+    .setVersion('1.0')
+    .addTag('app-tag')
+    .build();
+  
+  const document = SwaggerModule.createDocument(app, documentConfig);
+  SwaggerModule.setup('docs', app, document);
+
   await app.listen(3000);
 }
 bootstrap();

things/nest-typeorm/install-npm.sh

 #!/bin/bash
 npm install --save \
+	class-validator \
+	class-transformer \
+	@nestjs/swagger \
+	swagger-ui-express \
 	lodash \
 	typeorm \
 	@nestjs/typeorm \
@@ -7,4 +11,5 @@ npm install --save \
 	reflect-metadata
 
 npm install --save-dev \
-	@types/lodash
+	@types/lodash \
+	@types/express

things/nest-typeorm/src/main.ts

 import { NestFactory } from '@nestjs/core';
+import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
 import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
   app.enableCors();
+
+  const documentConfig = new DocumentBuilder()
+    .setTitle('app')
+    .setDescription('The app')
+    .setVersion('1.0')
+    .addTag('app-tag')
+    .build();
+  
+  const document = SwaggerModule.createDocument(app, documentConfig);
+  SwaggerModule.setup('docs', app, document);
+
   await app.listen(3000);
 }
 bootstrap();

things/nest/src/main.ts

 import { NestFactory } from '@nestjs/core';
+import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
 import { AppModule } from './app.module';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
   app.enableCors();
+
+  const documentConfig = new DocumentBuilder()
+    .setTitle('app')
+    .setDescription('The app')
+    .setVersion('1.0')
+    .addTag('app-tag')
+    .build();
+  
+  const document = SwaggerModule.createDocument(app, documentConfig);
+  SwaggerModule.setup('docs', app, document);
+
   await app.listen(3000);
 }
 bootstrap();