Add uv project scaffolding and dependency lock

SPEC.md

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+This application will act as a dashboard for my internal services
+
+It will be written in python and serve as both the backend and the frontend
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+Use `uv` to manage the virtualenv
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+There will need to be a reverse proxy system so the framed services can be accessed via the dashboard without being public
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+I would also like this to be built in a modular way
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+There should be a settings page that lets me add/remove/edit services
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+The interface will have a sidebar with buttons that open iframes of other hosted applications that are proxied through