Docs: Building a Module Tutorial

[scottames]

What is the issue?

Per discussion with Jeremy And Solomon on Discord, dropping a request to have the recent (or anything similar) workshop documented in the docs as a tutorial.

For a bit of context, I had been reading up on the prior method of developing Dagger (dagger call) and was a bit confused on where the prior method fit in with the module method. After watching the workshop it was made very clear how the module method works, why it's the right direction, and more importantly, how quickly get started with it in my project. Having this as a quick tutorial in the docs for folks to walk through would go a long ways.

Hashicorp does a great job with their tutorials, take Terraform as an example.

[vikram-dagger]

@scottames would love your feedback on #7326 which should address this request.