xSccmSqlSetup: Added parameter to support TempDB files

[CCWT]

Pull Request (PR) description

Added parameter to specify the TempDB file count, size, and growth (for sql server 2016 and above) during an sql server installation.

This Pull Request (PR) fixes the following issues

Task list

• [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.
• [ ] Localization strings added/updated in all localization files as appropriate.
• [ ] Examples appropriately added/updated.
• [ ] Unit tests added/updated. See DSC Community Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• [ ] New/changed code adheres to DSC Community Style Guidelines.

---

This change is 

[codecov[bot]]

Codecov Report

Merging #77 (995c9ef) into master (19bed44) will decrease coverage by 0%. The diff coverage is 0%.

@@          Coverage Diff          @@
##           master    #77   +/-   ##
=====================================
- Coverage      97%    97%   -1%     
=====================================
  Files          34     34           
  Lines        3763   3765    +2     
=====================================
  Hits         3672   3672           
- Misses         91     93    +2     

[NEllis280]

Hey @CCWT! I was looking at this earlier and wanted to verify whether your intent was to close this PR?