Add line breaks for linting

Pre-commit is now installed properly.

README.md

@@ -14,7 +14,10 @@ skeleton projects derived from this one.
 
 ## New Repositories from a Skeleton ##
 
-Please see our [Project Setup guide](https://github.com/cisagov/development-guide/tree/develop/project_setup) for step-by-step instructions on how to start a new repository from a skeleton. This will save you time and effort when configuring a new repository!
+Please see our [Project Setup guide](https://github.com/cisagov/development-guide/tree/develop/project_setup)
+for step-by-step instructions on how to start a new repository from
+a skeleton. This will save you time and effort when configuring a
+new repository!
 
 ## Contributing ##