Add .gitattributes to enforce LF line endings across platforms

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Co-authored-by: jbampton <418747+jbampton@users.noreply.github.com>

Author: Copilot

.gitattributes

@@ -0,0 +1,10 @@
+# Enforce LF line endings for all text files to ensure consistent
+# behavior across platforms (fixes yamllint new-lines failures on Windows).
+* text=auto eol=lf
+
+# Binary files
+*.jpeg binary
+*.jpg binary
+*.png binary
+*.gif binary
+*.ico binary