update readme

readme.md

@@ -64,4 +64,8 @@ The `MapReduce` implementation of `go-zero in `core/mr` package gives `chatbot`
 
 ChatterBot - https://github.com/gunthercox/ChatterBot
 
-I was using `ChatterBot` at first, but it responds too slow, so I decided to implement it myself. Thanks to ChatterBot, great project!
+I was using `ChatterBot` at first, but it responds too slow, so I decided to implement it myself. Thanks to ChatterBot, great project!
+
+## Give a Star! ⭐
+
+If you like or are using this project to learn or start your solution, please give it a star. Thanks!