Ignore creativity_examples images for HF (binary push rejected); keep folder via .gitkeep

.gitignore

@@ -23,3 +23,9 @@ build/
 
 # Temporary reference uploads (deleted after use; do not push binaries to HF)
 backend/reference_uploads/
+
+# Creativity example images (binary; add locally or use CREATIVITY_EXAMPLES_DIR; HF rejects binary push)
+backend/data/creativity_examples/*.png
+backend/data/creativity_examples/*.jpg
+backend/data/creativity_examples/*.jpeg
+backend/data/creativity_examples/*.webp

backend/data/creativity_examples/.gitkeep

@@ -0,0 +1 @@
+# Add .png, .jpg, .jpeg, or .webp here for creative reference images (not pushed to HF).