Update README.md

Author: suntwalriya

README.md

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 ![GitHub stars](https://img.shields.io/github/stars/dscigdtuw/GrowGreen)
 ![GitHub forks](https://img.shields.io/github/forks/dscigdtuw/GrowGreen)
 
+![Grow Green](/images/Grow Green.jpeg)
+
 `Grow Green` that allows contributors worldwide to create awareness about environment and do their bit by contributing.
 
 ## About GrowGreen