fix #21 note official location

2018-09-22 13:52:20 -06:00 · 2018-09-22 13:52:20 -06:00 · 51d70a2b18
--- a/README.md
+++ b/README.md
@ -1,3 +1,8 @@
+Unmaintained Mirror
+===============
+
+Please go to the real repo at <https://git.coolaj86.com/coolaj86/json2yaml.js>
+
 json2yaml
 ===