implement file module and add files relation to booking entity and populate on fetch

apps/edr-freight-api/src/modules/minio/minio.service.ts

@@ -1,6 +1,7 @@
 import { Inject, Injectable, Logger } from "@nestjs/common";
 import { ConfigType } from "@nestjs/config";
 import { Client } from "minio";
+import { Readable } from "stream";
 import { minioConfig } from "./minio.config";
 
 @Injectable()
@@ -62,4 +63,13 @@ export class MinioService {
       throw error;
     }
   }
+
+  async getFileStream(objectName: string): Promise<Readable> {
+    try {
+      return this.client.getObject(this.bucket, objectName);
+    } catch (error) {
+      this.logger.error(`Failed to get file ${objectName}:`, error);
+      throw error;
+    }
+  }
 }