Add workspace to glossary

[thenbe]

For workspace, perhaps we can use the definition from this blog post.

https://blog.cachix.org/posts/2022-07-29-cachix-deploy-public-beta/

workspace: a group of agents

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As for deployment, I'm not sure I understand it well. Specifically, how does A relate to B?

A: The numbered deployment "instances" listed in https://app.cachix.org/deploy/workspace/matrix/agent/smith
B: The named deployments listed in https://app.cachix.org/deploy/workspace/matrix/start-deployment

I think I answered my question while typing this out. But I'll leave this up anyways as others might wonder the same thing.

B is just a list of named tokens you can use to authenticate the cachix deploy activate.

What was throwing me off is the Start a deployment button. As I currently understand it, all it does is create a token. That is, all the items you create after clicking Start a deployment are interchangeable tokens. In other words, if you click it 5 times you will not "start 5 deployments" - you will only end up with 5 tokens that have the same effect when used. If this is accurate, perhaps it can be labelled "generate deployment token" (or something similar).