doc: add badge

README.md

@@ -1,6 +1,8 @@
 <div align="center">
 
+<p>
 English | [简体中文](README_zh-CN.md) | [日本語](README_ja-JP.md)
+</p>
 
 <img src="./docs/images/banner.png" width="320px"  alt="PDF2ZH"/>  
 
@@ -25,6 +27,8 @@ English | [简体中文](README_zh-CN.md) | [日本語](README_ja-JP.md)
     <img src="https://img.shields.io/badge/Telegram-2CA5E0?style=flat-squeare&logo=telegram&logoColor=white"></a>
 </p>
 
+<a href="https://trendshift.io/repositories/12424" target="_blank"><img src="https://trendshift.io/api/badge/repositories/12424" alt="Byaidu%2FPDFMathTranslate | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
+
 </div>
 
 PDF scientific paper translation and bilingual comparison.

README_ja-JP.md

@@ -1,6 +1,8 @@
 <div align="center">
 
+<p>
 [English](README.md) | [简体中文](README_zh-CN.md) | 日本語
+</p>
 
 <img src="./docs/images/banner.png" width="320px"  alt="PDF2ZH"/>  
 
@@ -25,6 +27,8 @@
     <img src="https://img.shields.io/badge/Telegram-2CA5E0?style=flat-squeare&logo=telegram&logoColor=white"/></a>
 </p>
 
+<a href="https://trendshift.io/repositories/12424" target="_blank"><img src="https://trendshift.io/api/badge/repositories/12424" alt="Byaidu%2FPDFMathTranslate | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
+
 </div>
 
 科学 PDF 文書の翻訳およびバイリンガル比較ツール

README_zh-CN.md

@@ -1,6 +1,8 @@
 <div align="center">
 
+<p>
 [English](README.md) | 简体中文 | [日本語](README_ja-JP.md)
+</p>
 
 <img src="./docs/images/banner.png" width="320px"  alt="PDF2ZH"/>  
 
@@ -25,6 +27,8 @@
     <img src="https://img.shields.io/badge/Telegram-2CA5E0?style=flat-squeare&logo=telegram&logoColor=white"/></a>
 </p>
 
+<a href="https://trendshift.io/repositories/12424" target="_blank"><img src="https://trendshift.io/api/badge/repositories/12424" alt="Byaidu%2FPDFMathTranslate | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
+
 </div>
 
 科学 PDF 文档翻译及双语对照工具