Fix/fixed type def for upload stream

Author: patrick-tolosa

types/cloudinary_ts_spec.ts

@@ -763,3 +763,10 @@ cloudinary.v2.uploader.remove_tag('12', ['11']).then((value) => {
 cloudinary.v2.uploader.remove_tag('12', ['11'], function (err, res) {
     console.log(err, res);
 });
+
+// $ExpectType Promise<any>
+cloudinary.v2.uploader.upload_stream(
+    {template: "http://www.example.com/images/"},
+    function (error, result) {
+        console.log(result);
+    });

types/index.d.ts

@@ -838,9 +838,9 @@ declare module 'cloudinary' {
 
             function upload_large(path: string, callback?: ErrorCallBack): Promise<any>;
 
-            function upload_stream(upload_preset: string, options?: UploadApiOptions, callback?: ErrorCallBack): Promise<any>;
-
-            function upload_stream(upload_preset: string, callback?: ErrorCallBack): Promise<any>;
+            function upload_stream(options?: UploadApiOptions, callback?: ErrorCallBack): Promise<any>;
+ 
+            function upload_stream(callback?: ErrorCallBack): Promise<any>;
 
             function upload_tag_params(options?: UploadApiOptions, callback?: ErrorCallBack): Promise<any>;