Add changelog and newlines

changelogs/unreleased/pre-commit-prettier.yml

+---
+title: Adds scripts to add code formatters in pre-commit via prettier
+merge_request:
+author:
+type: added

scripts/add-code-formatters

 #!/bin/sh
 
 touch ./.git/hooks/pre-commit
-ln -s -f ./pre-commit .git/hooks/pre-commit
\ No newline at end of file
+ln -s -f ./pre-commit .git/hooks/pre-commit

scripts/pre-commit

@@ -8,4 +8,4 @@ echo "$jsfiles" | xargs ./node_modules/.bin/prettier --write
 # Add back the modified/prettified files to staging
 echo "$jsfiles" | xargs git add
 
-exit 0
\ No newline at end of file
+exit 0