New SDK - Help Please

Hi,
I am trying to understand the below instructions on how to create a voice manifest file and plugin files, but the instructions always say “see new project.” However I still don’t see how to do this. Can anybody show me how to do this? I’d really appreciate any help.

https://smartthings.developer.samsung.com/develop/workspace/sdk/voice-editor.html
https://smartthings.developer.samsung.com/develop/workspace/sdk/plugin-editor.html