useBaseGvlid added to aliasBidder (#5601)

* useBaseGvlid added to aliasBidder

* new scope column

* Update aliasBidder.md

---------

Co-authored-by: Marcin Komorski <marcinkomorski@Marcins-MacBook-Pro.local>
Co-authored-by: bretg <bgorsline@gmail.com>

dev-docs/publisher-api-reference/aliasBidder.md

@@ -9,7 +9,7 @@ To define an alias for a bidder adapter, call this method at runtime:
 
 ```javascript
 
-pbjs.aliasBidder('appnexus', 'newAlias', optionsObject );
+pbjs.aliasBidder('appnexus', 'newAlias', optionsObject);
 
 ```
 
@@ -25,9 +25,10 @@ If you define an alias and are using `pbjs.sendAllBids`, you must also set up ad
 The options object supports these parameters:
 
 {: .table .table-bordered .table-striped }
-| Option Parameter    | Type    | Description             |
-|------------|---------|---------------------------------|
-| gvlid | integer | IAB Global Vendor List ID for this alias for use with the [TCF control module](/dev-docs/modules/tcfControl.html). |
+| Option Parameter    | Scope    | Type    | Description             |
+|------------|---------|---------|---------------------------------|
+| gvlid | optional | integer | IAB Global Vendor List ID for this alias for use with the [TCF control module](/dev-docs/modules/tcfControl.html). |
+| useBaseGvlid | optional | boolean | Flag determining if the GVL ID of the original adapter should be re-used. (PBJS 9.14+) |
 
 {: .alert.alert-info :}
 Creating an alias for a Prebid Server adapter is done differently. See 'extPrebid'