Include for remote URLS

[WolfgangFahl]

Expected Behavior

https://www.openjscad.org/#https://raw.githubusercontent.com/BITPlan/docker-openjscad/master/workspace/RCHolder/main.jscad

should include https://www.openjscad.org/#https://raw.githubusercontent.com/BITPlan/docker-openjscad/master/workspace/RCHolder/Box.jscad

automatically

Actual Behavior

it gives an error message The requested URL /cache/Box.jscad was not found on this server.

Steps to Reproduce the Problem

1. Click link above

Specifications

N.A.

[jcoleman]

This was originally fixed by https://github.com/jscad/OpenJSCAD.org/pull/239 but reverted :(