feature: add setup page for app

[primetheus]

Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

Describe the solution you'd like
In addition to the manual setup, having a UI to enter the required settings in .env would help users get off the ground

Describe alternatives you've considered
Existing manual setup

Additional context
Concept:

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