Establish tunneling from my debian device to my Google VM using sish

Sish is an open source software which installed on a remote machine, helps to establish reverse tunniling which projects the website from your local machine to the VM, for more information read through this link:
https://github.com/antoniomika/sish
https://trustmeiamaninja.github.io/posts/deploying-sish/
I need someone to walk me through to deploy this software on my VM.