Make server logging comprehensive by including file logging

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Is your feature request related to a problem?

I think it'd be a good direction if Empirica included a more comprehensive server logging solution by default such that more detailed information could be logged in a file independently from console output, e.g. by setting different log levels for console logging and file logging. I think it would be reasonable if detailed logging was encouraged as a tool to monitor correct behaviour of the participant tasks during experiments.

That may be a naive question, as I'm not very familiar with js logging solutions, I only know nice solutions using logging module in vanilla Python, which makes me wonder if more comprehensive logging could be easily added to Empirica.

Describe the solution you'd like

An example default setting:

there is a .empirica/log.txt file
all print functions from @empirica/core/console can produce output in console and/or in the log file
by default src/server/index.js sets the console log level to info and log file log level to info/debug

import { info, setLogLevel } from "@empirica/core/console";

Describe alternatives you've considered

Of course it's possible to implement such logging individually (in this particular case I'd need to delve into js logging modules that I don't know myself), but I have an intuition that comprehensive logging would be a very desirable default given the scientific application of Empirica -- so by default we learn about all potential glitches that may have happened during experiments, including any tiny suspicious events within Empirica's inner workings themselves. "debug" and "warn" logging calls for these could be added gradually in the future.

Teachability, Documentation, Adoption, Migration Strategy

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empiricaly / empirica