Settings Menu

[orual]

From morpho-app created by neema-orual: Radiant-Industries/morpho-app#11

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[orual]

Part of getting the settings menu done is accessing it.

Also, figured the feedback and help links would be smart to have here, like the official app.
Currently "Feedback" links to the "make a new github issue" page, and "Help" to the repository page. Obviously those are temporary.