Log crashes to a file

[Jacalz]

Checklist

• I have searched the issue tracker for open issues that relate to the same feature, before opening a new one.
• This issue only relates to a single feature. I will open new issues for any other features.

Is your feature request related to a problem?

On crashing, it would be good to see any errors that occurred even when not running Rymdport from a terminal. Always logging output to a log file should solve this.

Describe the solution you'd like to see.

Use a logger that prints to a file.

[Jacalz]

The approach is more like "log crashes to a file". Let's use this API in Go 1.23 instead: https://go.dev/pkg/runtime/debug#SetCrashOutput