Initial CMHeartbeat Discovery module creation

[jeffotterpohl]

Pull Request (PR) description

This Pull Request (PR) fixes the following issues

Task list

Change to [x] for each task in the task list that applies to your PR.
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• [ X] Added an entry to the change log under the Unreleased section of the file CHANGELOG.md. Entry should say what was changed and how that affects users (if applicable), and reference the issue being resolved (if applicable).
• [X ] Resource documentation added/updated in README.md.
• [X ] Resource parameter descriptions added/updated in README.md, schema.mof and comment-based help.
• [X ] Comment-based help added/updated.
• [X ] Localization strings added/updated in all localization files as appropriate.
• [X ] Examples appropriately added/updated.
• [X ] Unit tests added/updated. See DSC Community Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• [X ] New/changed code adheres to DSC Community Style Guidelines.

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This change is 

[codecov[bot]]

Codecov Report

Merging #34 into master will increase coverage by 0%. The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #34   +/-   ##
=====================================
  Coverage      99%    99%           
=====================================
  Files          13     14    +1     
  Lines        1412   1490   +78     
=====================================
+ Hits         1406   1484   +78     
  Misses          6      6           

[NEllis280]

Tested this on a Primary server and everything looks to work as intended.