fix(example): send http request to discounted-cartrade

[t-yasushi]

This resolve Issue #1181
I create req_discounted_cartrade.py in example/discounted-cartrade.
This sends http request to discounted-cartrade after resistors indy data.

Signed-off-by: Yasushi Takahashi [email protected]

[codecov-commenter]

Codecov Report

Merging #1187 (631e176) into main (91bb1f8) will not change coverage.
The diff coverage is n/a.

❗ Current head 631e176 differs from pull request most recent head 40e61e4. Consider uploading reports for the commit 40e61e4 to get more accurate results

@@           Coverage Diff           @@
##             main    #1187   +/-   ##
=======================================
  Coverage   71.76%   71.76%           
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  Files         270      270           
  Lines        9420     9420           
  Branches     1113     1113           
=======================================
  Hits         6760     6760           
  Misses       2087     2087           
  Partials      573      573           

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