Feature/prettier configuration

[brandongregoryscott]

Fixes issue #82

• [x] Related GitHub issue(s) linked in PR description
• [x] Destination branch merged, built and tested with your changes
• [x] Code formatted and follows best practices and patterns
• [x] Code builds cleanly (no additional warnings or errors)
• [-] Manually tested
• [x] Automated tests are passing
• [x] No decreases in automated test coverage
• [-] Documentation updated (readme, docs, comments, etc.)
• [-] Localization: No hard-coded error messages in code files (minimally in string constants)

[codecov[bot]]

Codecov Report

Merging #92 into master will decrease coverage by 0.02%. The diff coverage is 78.33%.

@@            Coverage Diff             @@
##           master      #92      +/-   ##
==========================================
- Coverage   73.60%   73.58%   -0.03%     
==========================================
  Files          19       19              
  Lines         557      564       +7     
  Branches       81       81              
==========================================
+ Hits          410      415       +5     
- Misses        121      123       +2     
  Partials       26       26              

Impacted Files	Coverage Δ
_modules/commands.js	100.00% <ø> (ø)
_modules/variables.js	100.00% <ø> (ø)
_modules/dotnet-test.js	14.28% <42.85%> (-0.33%)	:arrow_down:
_modules/nuget-upgrade.js	72.72% <62.50%> (+0.50%)	:arrow_up:
_modules/echo.js	35.29% <66.66%> (ø)
_modules/user-prompt.js	38.46% <66.66%> (ø)
_modules/github.js	88.57% <75.00%> (ø)
tests/describes.js	95.23% <80.00%> (ø)
tests/test-utils.js	88.00% <83.33%> (ø)
_modules/constants.js	100.00% <100.00%> (ø)
... and 9 more

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