docs: update readme.md (#441)

update readme.md

README.md

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 # PawternityHub
 
-![image](https://user-images.githubusercontent.com/19883954/139918347-f33fbce9-0f4c-4726-947d-dd4a0caca6d7.png)
+![image](https://user-images.githubusercontent.com/55101825/193477678-ca458235-d786-44bb-83cd-b3b3e2e9920f.png)
+![image](https://user-images.githubusercontent.com/55101825/193477686-cb8e8cf3-2b72-48a0-bed0-5afe64875882.png)
 
 A web application that helps users find pets to adopt around their area. It started out as a Hackathon project and then Open Source during Hacktoberfest All levels are welcome to contribute.
 
 ## Contribution
 
 Read Here [Contribution](https://github.com/redxzeta/Awesome-Adoption/blob/main/CONTRIBUTING.md)
 
+## Tech Stack Used
+- React
+- Tailwind
+- Supabase
+- Daisy UI
+
 ## Pet Finder Developer API Key
 
 Register for an api key here [PetFinder](https://www.petfinder.com/developers/)