add example for accessing the route in a perimeter

[jannishuebl]

for me this solves #39

Is there a better solution? I do not like about my solution that I might have to write different actions for routes which uses route and others that use an object.

Does somebody see a better solution?

[codecov-io]

Codecov Report

Merging #41 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master    #41   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           6      6           
  Lines          47     47           
=====================================
  Hits           47     47

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