Update README.md

Author: huhuhang

README.md

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+[![](https://cdn.jsdelivr.net/gh/labex-labs/files@master/images/cyber-monday-25.png)](https://labex.io/pricing)
+
+🔥 Cyber Monday 2025 - Ends Soon!｜[**Get 40% OFF Now →**](https://labex.io/pricing)
 
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