demo: sharing without installs or credentials

Demo for roughly this copy:

> Assemble and share commands that use open source utilities and scripted shell to perform tasks like deploying your web app. They can be run without installing a bunch of tools, making sure the local environment is set up correctly, or running in a local Docker or VM.

> Credentials can be stored in the command environment, avoiding more complicated or insecure management of secrets. In many cases, credentials won't even be accessible by users of

Try to work with this form factor:
https://placeholdit.imgix.net/~text?txtsize=33&txt=400%C3%97200&w=400&h=200