Fix theme color preview

Author: onesine

README.md

@@ -99,7 +99,7 @@ export default App;
 ![Dark Mode](https://raw.githubusercontent.com/onesine/react-tailwindcss-datepicker/master/assets/img/Screen_Shot_2022-08-04_at_17.04.09_dark.png?raw=true)
 
 **Supported themes**
-![Theme supported](https://raw.githubusercontent.com/onesine/react-tailwindcss-select/master/assets/img/Screen_Shot_2022-08-04_at_17.04.09_theme.png?raw=true)
+![Theme supported](https://raw.githubusercontent.com/onesine/react-tailwindcss-datepicker/master/assets/img/Screen_Shot_2022-08-04_at_17.04.09_theme.png?raw=true)
 
 **Teal themes example**
 ![Theme supported](https://raw.githubusercontent.com/onesine/react-tailwindcss-datepicker/master/assets/img/Screen_Shot_2022-08-04_at_17.04.09_teal.png?raw=true)