Click on the "Assets" tab.
Click on the "Create Folder" button
Fill in the folder name.
We suggest the folder name and the Addon name will be the same.
For example "my_addon".
And click the "Create Folder" button.
Click on the folder you added.
Click on the "Set" button to set the folder as the Addon Assets Path.
Click the "Upload" button.
Drag your files into the box in the popup.
Click the "Close" button when done.
To include your files in the Addon, move to the "js/css Includes" tab.
Click on your folder name and select the files you want to include.
The files you want to include will show on the left side.
Click the "Update" button to save.