Add "send feedback" button

[behas]

We should add a feature allowing users to provide feedback easily, ideally by just clicking a button.

[soad003]

Is a mailto link user friendly enough? Kind of requires a set up mail client, don't know if you can expect that nowadays.

[behas]

I was thinking of a small widget that allows users to simply enter their feedback on the dashboard. Sth like https://www.feedbackify.com/