Added ca-certificates to correctly proxy wss (fixes #48)

[vania-pooh]

No description provided.

[codecov]

Codecov Report

Merging #49 into master will not change coverage by %.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #49   +/-   ##
=======================================
  Coverage   58.33%   58.33%           
=======================================
  Files           3        3           
  Lines         204      204           
=======================================
  Hits          119      119           
  Misses         77       77           
  Partials        8        8           

Flag	Coverage Δ
#unittests	58.33% <ø> (ø)

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