Add subtitle in video creation payload

Author: olivier-lando

docs/model/VideoCreationPayload.md

@@ -6,6 +6,7 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **title** | **string** | The title of your new video. | 
+**subtitle** | **string** | A subtitle for your video. |  [optional]
 **description** | **string** | A brief description of your video. |  [optional]
 **source** | **string** | You can either add a video already on the web, by entering the URL of the video, or you can also enter the `videoId` of one of the videos you already have on your api.video acccount, and this will generate a copy of your video. Creating a copy of a video can be especially useful if you want to keep your original video and trim or apply a watermark onto the copy you would create. |  [optional]
 **_public** | **boolean** | Default: True. If set to `false` the video will become private. More information on private videos can be found [here](https://docs.api.video/delivery/video-privacy-access-management) |  [optional]

src/model/VideoCreationPayload.ts

@@ -19,6 +19,10 @@ export default class VideoCreationPayload {
    * The title of your new video.
    */
   'title': string;
+  /**
+   * A subtitle for your video.
+   */
+  'subtitle'?: string;
   /**
    * A brief description of your video.
    */
@@ -79,6 +83,12 @@ export default class VideoCreationPayload {
       type: 'string',
       format: '',
     },
+    {
+      name: 'subtitle',
+      baseName: 'subtitle',
+      type: 'string',
+      format: '',
+    },
     {
       name: 'description',
       baseName: 'description',