added new narrative generator utility method

[davidraeside]

Added two helper methods for narrative generation:

• first one to indicate if a bundle contains a resource that has a code of the specified type,
• the second indicates if a bundle contains at least one resource that does not have a specified code.

[github-actions]

Formatting check succeeded!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.49%. Comparing base (406db33) to head (478236c).
Report is 159 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6602      +/-   ##
============================================
- Coverage     83.54%   83.49%   -0.05%     
- Complexity    27432    28561    +1129     
============================================
  Files          1707     1797      +90     
  Lines        106185   111147    +4962     
  Branches      13397    13967     +570     
============================================
+ Hits          88710    92802    +4092     
- Misses        11750    12360     +610     
- Partials       5725     5985     +260     

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