docs: refine README usage and ecosystem note

Author: afc163

README.md

@@ -1,10 +1,11 @@
 <div align="center">
   <h1>@rc-component/tween-one</h1>
+  <p><sub>Part of the Ant Design ecosystem.</sub></p>
   <img alt="Ant Design" height="32" src="https://gw.alipayobjects.com/zos/bmw-prod/ae669a89-0c24-40ff-a91d-2b83497170f6.svg" />
   <p>Tween animation primitives for React, maintained in the Ant Design ecosystem.</p>
-  <p>Part of the Ant Design ecosystem.</p>
 </div>
 
+
 <div align="center">
 
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