Export DropboxResponse and DropboxResponseError in JS build (#755)

* Export DropboxResponse and DropboxResponseError in JS build

Author: rogebrd

index.js

@@ -1,2 +1,4 @@
 export { default as Dropbox } from './src/dropbox.js';
 export { default as DropboxAuth } from './src/auth.js';
+export { DropboxResponse } from './src/response.js';
+export { DropboxResponseError } from './src/error.js';

package-lock.json

@@ -1,6 +1,6 @@
 {
     "name": "dropbox",
-    "version": "10.4.3",
+    "version": "10.4.4",
     "registry": "npm",
     "description": "The Dropbox JavaScript SDK is a lightweight, promise based interface to the Dropbox v2 API that works in both nodejs and browser environments.",
     "main": "cjs/index.js",