Update README.md

## Star History

[![Star History Chart](https://api.star-history.com/svg?repos=teslamate-org/teslamate&type=date&legend=top-left)](https://www.star-history.com/#teslamate-org/teslamate&type=date&legend=top-left)

Author: dianecloud

README.md

@@ -1 +1,4 @@
-# Myteam
+# Myteam
+## Star History
+
+[![Star History Chart](https://api.star-history.com/svg?repos=teslamate-org/teslamate&type=date&legend=top-left)](https://www.star-history.com/#teslamate-org/teslamate&type=date&legend=top-left)