Add issue template

[nadiia]

Created with fusion-orchestrate.

[codecov]

Codecov Report

Merging #89 into master will not change coverage.
The diff coverage is n/a.

@@         Coverage Diff          @@
##           master   #89   +/-   ##
====================================
  Coverage      78%   78%           
====================================
  Files           2     2           
  Lines          50    50           
  Branches       16    16           
====================================
  Hits           39    39           
  Misses          9     9           
  Partials        2     2

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