Fix codesandbox examples - Added qs dependencie

[isacjunior]

When I tried examples in codesandbox, I see an error about qs dependencies.
This PR add qs as dependencies in examples.

[apollo-cla]

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[codecov-io]

Codecov Report

Merging #177 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #177   +/-   ##
=======================================
  Coverage   92.65%   92.65%           
=======================================
  Files           2        2           
  Lines         395      395           
  Branches      117      117           
=======================================
  Hits          366      366           
  Misses         27       27           
  Partials        2        2

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[fbartho]

Thanks a ton! @isacjunior