feat: add body size limit config as env var

src/raw-parser.middleware.ts

@@ -4,7 +4,10 @@ import { hasBody } from 'type-is';
 
 // Excalidraw Front end doesn't send a Content Type Header
 // so we tell raw parser to check if there is a body
-const rawParserMiddleware = raw({ type: hasBody });
+const rawParserMiddleware = raw({
+  type: hasBody,
+  limit: process.env.BODY_LIMIT ?? '50mb',
+});
 
 @Injectable()
 export class RawParserMiddleware implements NestMiddleware {