feat: add eslint prefix to CLI output for better debugging

[ricardogobbosouza]

This PR contains a:

• bugfix
• new feature
• code refactor
• test update
• typo fix
• metadata update

Motivation / Use-Case

Add eslint prefix to CLI output for better debugging

Breaking Changes

No

Additional Info

No

[codecov]

Codecov Report

Merging #155 (6e3b5e3) into master (315fe0e) will not change coverage.
The diff coverage is 100.00%.

❗ Current head 6e3b5e3 differs from pull request most recent head e816efb. Consider uploading reports for the commit e816efb to get more accurate results

@@            Coverage Diff            @@
##            master      #155   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            7         7           
  Lines          273       273           
  Branches        75        75           
=========================================
  Hits           273       273           

Impacted Files	Coverage Δ
src/ESLintError.js	100.00% <100.00%> (ø)
src/linter.js	100.00% <100.00%> (ø)

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