Update README.md

Sulagna-Dutta-Roy · web-flow · commit 800d93913c66 · 2022-01-23T21:03:28.000+05:30
diff --git a/Restaurant-Management-System/README.md b/Restaurant-Management-System/README.md
@@ -9,3 +9,7 @@
 
 <h2>Explanation</h2>
 <p>User can calculate all the prices and use the calculator</p>
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+Screenshot:
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+![Output](https://user-images.githubusercontent.com/72568715/150686077-23ca7ba5-36fb-4b19-af10-ede47384132a.PNG)
