Update examples.go

[agzuniverse]

Describe the PR
Adding example for post request.

Relation issue
#831

[codecov]

Codecov Report

Merging #832 (8006afc) into master (a4053fb) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #832   +/-   ##
=======================================
  Coverage   84.83%   84.83%           
=======================================
  Files           8        8           
  Lines        1649     1649           
=======================================
  Hits         1399     1399           
  Misses        145      145           
  Partials      105      105           

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[ubogdan]

Unfortunately, I can't merge it until all the checks are passing.

[agzuniverse]

The only file this commit modifies is examples.go but the coverage seems to be affected in parser.go. What can be done about that? I'll modify the PR as required if you could give a small explanation.