doc: 给本科英文模板添加盲审模式注释

Relates-to: #496

Relates-to: 670c3fc

Author: YDX-2147483647

Diff for: templates/undergraduate-thesis-en/main.tex

@@ -23,6 +23,9 @@
 % !TeX program = xelatex
 % !BIB program = biber
 
+
+% 开启盲审格式 blindPeerReview=true (如：[type=bachelor_english,blindPeerReview=true])
+
 \documentclass[type=bachelor_english]{bithesis}
 
 % 此处仅列出常用的配置。全部配置用法请见「bithesis.pdf」手册。