Update README.md

Author: jiajunliu0024

README.md

@@ -113,80 +113,6 @@ _Below is an example of how you can instruct your audience on installing and set
 
 
 
-<!-- USAGE EXAMPLES -->
-## Usage
-
-This is a demo to show the basic structure of application
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-<details><summary>CLICK ME TO CHECK THE VEDIO</summary>
-<p>
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-https://user-images.githubusercontent.com/61958672/139541058-fc765df6-3976-4617-9652-3c1c75fa74fd.mov
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-</p>
-</details>
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-<p align="right">(<a href="#top">back to top</a>)</p>
-
-
-
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-
-
-See the [open issues](https://github.com/othneildrew/Best-README-Template/issues) for a full list of proposed features (and known issues).
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-<p align="right">(<a href="#top">back to top</a>)</p>
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-
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-<!-- CONTRIBUTING -->
-## Contributing
-
-Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are **greatly appreciated**.
-
-If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement".
-Don't forget to give the project a star! Thanks again!
-
-1. Fork the Project
-2. Create your Feature Branch (`git checkout -b feature/AmazingFeature`)
-3. Commit your Changes (`git commit -m 'Add some AmazingFeature'`)
-4. Push to the Branch (`git push origin feature/AmazingFeature`)
-5. Open a Pull Request
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-<p align="right">(<a href="#top">back to top</a>)</p>
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-<!-- LICENSE -->
-## License
-
-Distributed under the MIT License. See `LICENSE.txt` for more information.
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-<p align="right">(<a href="#top">back to top</a>)</p>
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-<!-- CONTACT -->
-## Contact
-
-Project Link: [https://github.com/pikachuabc/DigitalRefrige/edit/master/](https://github.com/pikachuabc/DigitalRefrige)
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-<p align="right">(<a href="#top">back to top</a>)</p>
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-<!-- ACKNOWLEDGMENTS -->
-## Acknowledgments
-
-This space to list resources we find helpful and would like to give credit to. 
-
-* [GitHub Best Readme Template](https://github.com/othneildrew/Best-README-Template)
-* [Andriod studio doc](https://developer.android.com/docs)
-* [Notion tool](https://www.notion.so/)
-* [Project management platform](https://github.com/)
-
-<p align="right">(<a href="#top">back to top</a>)</p>