Update README.md

README.md

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-# simimp.github.io
+# [https://simimp.github.io/](https://simimp.github.io/)
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+Welcome to the Interactive Selection of Similar Map Projections website, abbreviated as simimp. The original website URL [https://simimap.github.io/simimap/](https://simimap.github.io/simimap/) currently returns a 404 error and is unavailable. The new URL is [https://simimp.github.io/](https://simimp.github.io/), and we will do our best to ensure its availability.
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+We do not collect any personal information, and GitHub does not provide us with any of your private data. Please feel free to use the site with confidence.
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+You can explore and use various features by clicking the tabs at the top. This website is still a prototype, and we are committed to continuously improving existing features, promptly fixing any bugs, and adding new functionalities as soon as possible. Thank you for your understanding and support!