Is your feature request related to a problem? Please describe.
It would be great to be able to configure the route output, e.g. I want to hide the Cube.js server is running in production mode. Learn more about production mode. when the base route is hit

Describe the solution you'd like
I think it would be great if one could configure the output of https://github.com/cube-js/cube.js/

Is your feature request related to a problem? Please describe.
There are parts of the website that can use improvements in increasing the accessibility of the website.

**Describe the solution you

Bug Report

Steps to Reproduce:

1. Create a dataframe with a categorical axis.
2. Attempt to load into a PerspectiveWidget or Table.

Expected Result:

A valid widget or Table.

Actual Result:

---------------------------------------------------------------------------
PerspectiveError                          Traceback (most recent call last)
<ipython-i

Currently, JavaScript SDK logs status code 0 when the connection between the client and server cannot be resolved. This makes diagnosing network errors very difficult, as there are many different problems that can cause 0 status code in failing dependency calls.

The proposal is to log status code information that indicates whether a network error occurred and what type.