fix: ensuring pre-commit fails when sasjs lint fails

.git-hooks/pre-commit

@@ -1,5 +1,12 @@
 #!/bin/bash
-sasjs lint
+
+# Ensure lint is passing
+LINT=`sasjs lint`
+if [[ "$LINT" != "✔ All matched files use @sasjs/lint code style!" ]]; then
+  echo "$LINT"
+  echo "To commit in spite of these warnings, use the -n parameter."
+  exit 1
+fi
 
 # Avoid commits to the master branch
 BRANCH=`git rev-parse --abbrev-ref HEAD`