New funktion Proxy

[Itstimetoforget]

Hey,
i need a funktion which can configure a proxy server for the updates of octoprint.
Can u implement a funktion like this?

[foosel]

Configuring a web proxy for OctoPrint under OctoPi

Note This guide assumes that you are running OctoPi 0.16.0 or later. If your local network requires you to use a proxy server to connect to sites on the internet, you'll have to do some manual configuration in OctoPi in order to make that work. First of all SSH into your Pi (username pi, default password raspberry but you really should have changed that...) and follow this guide to tell your Linux system to use the proxy. That's not all though, next you'll need to tell systemd to al…