[FEATURE] Provide `url_prefix` config parameter

[k0286]

I want to integrate celery-insights into my project. So I have to set the celery-insights behind a reverse proxy.

But currently, celery-insight doesn't provide a way to customize URLs.

I hope there is an option parameter in configuration file that let user can set the url_prefix like flower does.

[danyi1212]

Thank you for the suggestion! I'll add it to the plan.

That should require adding a new setting to the settings.py (and documenting it on CONFIGURATION.md), then using it inside app.py to configure the URL Prefix for the entire FastAPI app.

You are more than welcome to attempt it yourself and open a PR for this repo, and I'll happily include it in later releases 🙂