update readme

Author: dewenni

README.md

@@ -21,7 +21,7 @@
 ![GitHub watchers](https://img.shields.io/github/watchers/dewenni/ESP32-Jarolift-Controller?style=social)
 [![GitHub stars](https://img.shields.io/github/stars/dewenni/ESP32-Jarolift-Controller.svg?style=social&label=Star)](https://github.com/dewenni/ESP32-Jarolift-Controller/stargazers/)
 
-[![Stargazers over time](https://starchart.cc/dewenni/ESP32-Jarolift-Controller.svg?variant=adaptive)](https://github.com/dewenni/ESP32-Jarolift-Controller/stargazers)
+[![Stargazers over time](http://starchart.cc/dewenni/ESP32-Jarolift-Controller.svg?background=%23ffffff00&axis=%236c81a6&line=%236c81a6)](https://github.com/dewenni/ESP32-Jarolift-Controller/stargazers/)
 
 </div>
 

README_DE.md

@@ -21,7 +21,7 @@
 ![GitHub watchers](https://img.shields.io/github/watchers/dewenni/ESP32-Jarolift-Controller?style=social)
 [![GitHub stars](https://img.shields.io/github/stars/dewenni/ESP32-Jarolift-Controller.svg?style=social&label=Star)](https://github.com/dewenni/ESP32-Jarolift-Controller/stargazers/)
 
-[![Stargazers over time](https://starchart.cc/dewenni/ESP32-Jarolift-Controller.svg?variant=adaptive)](https://github.com/dewenni/ESP32-Jarolift-Controller/stargazers)
+[![Stargazers over time](http://starchart.cc/dewenni/ESP32-Jarolift-Controller.svg?background=%23ffffff00&axis=%236c81a6&line=%236c81a6)](https://github.com/dewenni/ESP32-Jarolift-Controller/stargazers/)
 
 </div>