carbon/.github/PULL_REQUEST_TEMPLATE.md

<!---   Provide a general summary of your changes in the Title above
        Expand on it in the description below (if applicable)    -->
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## Description
<!--- Describe your changes -->
:ok_hand: make the templates less verbose 7 years ago			`<!--- Provide a general summary of your changes in the Title above`
			`Expand on it in the description below (if applicable) -->`
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add `.github/` folder. Closes #92 7 years ago
			`## Description`
:ok_hand: make the templates less verbose 7 years ago			`<!--- Describe your changes -->`