From 417758e59d9db6fdc519a453bdc392cf7dd035bb Mon Sep 17 00:00:00 2001
From: Ning Wang <email@ningwang.org>
Date: Tue, 3 Mar 2020 09:31:54 -0800
Subject: [PATCH] add a live demo of RBTree so users can just play it in
 browsers

---
 code/RBTree/README.md | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 code/RBTree/README.md

diff --git a/code/RBTree/README.md b/code/RBTree/README.md
new file mode 100644
index 0000000..df99308
--- /dev/null
+++ b/code/RBTree/README.md
@@ -0,0 +1 @@
+Play [live demo](https://cee.studio/2020-03-03.m3hHsb2oaAqADKHv/RBTree) with downloading it.