normalize line endings

_This change is similar to Incendo/cloud#786

Author: Djaytan

.gitattributes

@@ -1,5 +1,8 @@
-#
-# https://help.github.com/articles/dealing-with-line-endings/
-#
-# These are explicitly windows files and should use crlf
-*.bat           text eol=crlf
+# Documentation: https://www.git-scm.com/docs/gitattributes
+
+# Set default behavior to automatically normalize line endings.
+* text=auto eol=lf
+
+# Enforce CRLF line endings in Windows batch scripts to avoid issues.
+*.cmd text eol=crlf
+*.bat text eol=crlf