diff --git a/demo/demo1.png b/demo/demo1.png
new file mode 100644
index 0000000..83d5ccd
Binary files /dev/null and b/demo/demo1.png differ
diff --git a/demo/demo2.png b/demo/demo2.png
new file mode 100644
index 0000000..7ab2afb
Binary files /dev/null and b/demo/demo2.png differ