Fix adapter usage example

[s3bw]

Passing a dict instead of kwarg.
Initialising Dog class.

[codecov-io]

Codecov Report

Merging #225 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #225   +/-   ##
=======================================
  Coverage   97.03%   97.03%           
=======================================
  Files          61       61           
  Lines        2294     2294           
=======================================
  Hits         2226     2226           
  Misses         68       68

Impacted Files	Coverage Δ
structural/adapter.py	100% <ø> (ø)	⬆️

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