add star history

Author: aaronshan

README.md

@@ -395,3 +395,9 @@ select url_encode('http://shanruifeng.cc/') => http%3A%2F%2Fshanruifeng.cc%2F
 ```
 select cosine_similarity(map_build(array['a'], array[1.0]), map_build(array['a'], array[2.0])); => 1.0
 ```
+
+# Star History
+
+## Star History
+
+[![Star History Chart](https://api.star-history.com/svg?repos=aaronshan/hive-third-functions&type=Date)](https://star-history.com/#aaronshan/hive-third-functions&Date)