diff --git a/15/d6b3017aaa51c227e8016e494cef0efb1ffd2d b/15/d6b3017aaa51c227e8016e494cef0efb1ffd2d
new file mode 100644
index 00000000000..d2d314a9f48
--- /dev/null
+++ b/15/d6b3017aaa51c227e8016e494cef0efb1ffd2d
@@ -0,0 +1 @@
+Author: https://github.com/cubiclove