[JIRA] added jira oauth2 integration to examples

[sureshdsk]

• added example code to implement jira cloud oauth2 integration

[codecov-commenter]

Codecov Report

Merging #910 (6b62427) into master (ef4757f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #910   +/-   ##
=======================================
  Coverage   36.52%   36.52%           
=======================================
  Files          33       33           
  Lines        6377     6377           
  Branches      981      981           
=======================================
  Hits         2329     2329           
  Misses       3941     3941           
  Partials      107      107           

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[gonchik]

Thanks! :)