[WIP] Create a docs site using vitepress using this docs site as a sample: @FoundatioFx/Foundatio.Mediator/files/docs

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

Original description:

Create a docs site using vitepress using this docs site as a sample: @FoundatioFx/Foundatio.Mediator/files/docs

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