Update README.md

Author: girija0707

payment_integration/README.md

@@ -9,7 +9,24 @@ HTML
 CSS
 JAVASCRIPT
 
+#### Steps to Use:
+
+---
+
+- Download or clone the repository
+
+```
+git clone https://github.com/Ayushparikh-code/Web-dev-mini-projects.git
+```
+
+- Go to the directory
+- Run the index.html file
+
+---
+
 
 ### Screenshots
 ![1](https://user-images.githubusercontent.com/63583646/124602004-0ec97600-de86-11eb-809b-51e0d83a2be6.png)
 
+
+