Started adding the Amazon S3 Chunk Service, so far Uploading, Downloading, and Streaming video works

backend/utils/streamToBuffer.ts

@@ -1,6 +1,6 @@
 const streamToBuffer = (stream: any) => {
     const chunks: any[] = []
-    return new Promise((resolve, reject) => {
+    return new Promise<Buffer>((resolve, reject) => {
       stream.on('data', (chunk: any) => chunks.push(chunk))
       stream.on('error', reject)
       stream.on('end', () => resolve(Buffer.concat(chunks)))