feat: upload module (#486)

* feat: wip upload module

* feat: local storage and serve local images

* feat: protect against injections

* feat: server local and s3 files

* fix: use storage location when serving local files

* feat: cross field env validation

server/src/main.ts

@@ -1,6 +1,7 @@
 import { NestFactory } from '@nestjs/core';
 import { ValidationPipe } from '@nestjs/common';
 import { AppModule } from './app.module';
+import { graphqlUploadExpress } from 'graphql-upload';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule, { cors: true });
@@ -8,6 +9,9 @@ async function bootstrap() {
   // Apply validation pipes globally
   app.useGlobalPipes(new ValidationPipe());
 
+  // Graphql file upload
+  app.use(graphqlUploadExpress());
+
   await app.listen(3000);
 }