Update to use template files

[johlju]

Pull Request (PR) description

• Update appveyor.yml to use the default template.
• Added default template files .gitattributes, and .vscode settings.

This Pull Request (PR) fixes the following issues

Task list

• Added an entry under the Unreleased section of the change log in the README.md.
  Entry should say what was changed, and how that affects users (if applicable).
• Resource documentation added/updated in README.md.
• Resource parameter descriptions added/updated in README.md, schema.mof
  and comment-based help.
• 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 Resource Testing Guidelines.
• Integration tests added/updated (where possible). See DSC Resource Testing Guidelines.
• New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

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This change is 

[johlju]

Reviewed 4 of 4 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved

[codecov-io]

Codecov Report

Merging #24 into dev will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev      #24   +/-   ##
=======================================
  Coverage   26.08%   26.08%           
=======================================
  Files           3        3           
  Lines          92       92           
=======================================
  Hits           24       24           
  Misses         68       68

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