[docs] Fix mermaid diagram rendering #388

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@brian14708

The following contributors were found for this pull request:

✅ bfa0d69 Author: @brian14708 <m*@brian14708.dev>, <bri*****08@gmail.com>
✅ 4591433 Author: @gspencergoog <gspencergoog@users.noreply.github.com>
✅ afa874e Author: @zeroasterisk <a**n@zeroasterisk.com>

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