Added swagger and config read

backend/src/swagger.ts

@@ -0,0 +1,9 @@
+import { INestApplication } from '@nestjs/common';
+import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
+
+export function swagger(app: INestApplication): INestApplication {
+    const config = new DocumentBuilder().setTitle('Neuro website').setDescription('Some description').setVersion('0.1').build();
+    const document = SwaggerModule.createDocument(app, config);
+    SwaggerModule.setup('api', app, document);
+    return app;
+}