docs: 增加CTAN英文READEME_EN

README_EN.md

+# NJU Thesis
+
+[![njuthesis](https://img.shields.io/badge/njuthesis-latex-blue)](https://git.nju.edu.cn/nju-lug/nju-latex-templates)
+[![overleaf](https://img.shields.io/badge/overleaf-supported-brightgreen)](https://tex.nju.edu.cn)
+
+## Overview
+
+This is A LaTex Template for Nanjing University Bachelor Thesis. The Template needs `xelatex` or `lualatex`.
+
+## License
+
+-----
+    This work may be distributed and/or modified under the conditions of
+    the [LaTeX Project Public License](http://www.latex-project.org/lppl.txt),
+    either version 1.3c of this license or (at your option) any later
+    version.
+-----
+
+## Contributing
+
+If you find a problem with the template, please submit an issue or PR in Github
+
+## Wiki
+
+Please see [Chinese wiki](https://github.com/nju-lug/NJUThesis/wiki)。
+
+-----
+
+Copyright © NJU-LUG