atom-beautify/PULL_REQUEST_TEMPLATE.md

What does this implement/fix? Explain your changes.

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Does this close any currently open issues?

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Any other comments?

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Checklist

Check all those that are applicable and complete.

• Merged with latest master branch
• Regenerate documentation with npm run docs
• Add change details to CHANGELOG.md under "Next" section
• Added examples for testing to examples/ directory
• Travis CI passes (Mac support)
• AppVeyor passes (Windows support)