added bg

[helm.git] / helm / www / matita / images / sheetbg.png

diff --git a/helm/www/matita/images/sheetbg.png b/helm/www/matita/images/sheetbg.png
new file mode 100644 (file)
index 0000000..3583db8
Binary files /dev/null and b/helm/www/matita/images/sheetbg.png differ