specify a different base url for charts when pushing and reindexing

[willejs]

This enables you to publish charts with public s3 urls, which is useful when you are running a public repository.
Ideally the url could be picked up from the s3 package and this would just be a flag?

This is really dependent on this
#43

[codecov-io]

Codecov Report

Merging #46 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #46   +/-   ##
=======================================
  Coverage   56.79%   56.79%           
=======================================
  Files           3        3           
  Lines          81       81           
=======================================
  Hits           46       46           
  Misses         30       30           
  Partials        5        5

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[hypnoglow]

Hi @willejs , thanks for your interest and the contribution.

Let's discuss your proposal in #45

[osterman]

@willejs have you seen the new design proposal put forth by @hypnoglow ?

#56

[willejs]

I am closing this in favour of #56