Fix links to community files in PR template

Author: hackebrot

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,5 +2,5 @@ Before making a PR please make sure to read our [contributing guidelines][contri
 
 Please note that **labels** is released with a [Contributor Code of Conduct][code of conduct]. By participating in this project you agree to abide by its terms.
 
-[code of conduct]: /CODE_OF_CONDUCT.md
-[contributing]: /CONTRIBUTING.md
+[code of conduct]: /.github/CODE_OF_CONDUCT.md
+[contributing]: /.github/CONTRIBUTING.md