Added hacktoberfest banner

README.md

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 # UNI-Share - A Media Sharing App for Students
 Welcome to UNI-Share,  the media sharing app that helps students share and access resources and materials with the fellow students at their institute.
 
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 Overall, UNI-Share is a powerful tool for students looking to share and access resources and materials with their fellow students. Give it a try today and see how it can help you succeed in your studies!
 
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+# Ideas and suggestions are welcome, Connect with me on: [discord](https://discord.gg/MXZsKVYEyU)
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 # Tech Stack
 
 * [Flutter](https://flutter.dev/)