Update README.md

Author: sauravhathi

README.md

@@ -4,7 +4,7 @@ This is a simple image generator using [OpenAI API](https://openai.com/api/). yo
 
 ## Demo
 
-### [https://github.com/sauravhathi/image-generator-using-openai-api/](https://github.com/sauravhathi/image-generator-using-openai-api)
+### [https://sauravhathi.github.io/image-generator-using-openai-api/](https://sauravhathi.github.io/image-generator-using-openai-api/)
 
 ![image](https://user-images.githubusercontent.com/61316762/202867475-5f95d9f8-882b-411c-af58-1a4406fe4012.png)
 ### images generated by AI