feat: add option to specify limit for custom upload host

src/Types/Message.ts

@@ -28,7 +28,7 @@ export type DownloadableMessage = { mediaKey?: Uint8Array, directPath?: string,
 export type MediaConnInfo = {
     auth: string 
     ttl: number
-    hosts: { hostname: string }[]
+    hosts: { hostname: string, maxContentLengthBytes: number }[]
     fetchDate: Date
 }