docs: Set directory in mermaid scripts
Created by: chrismwendt
So that you can run it from any directory. Found while verifying that bumping the mermaid version was ok https://github.com/sourcegraph/sourcegraph/pull/29081
Created by: chrismwendt
So that you can run it from any directory. Found while verifying that bumping the mermaid version was ok https://github.com/sourcegraph/sourcegraph/pull/29081