doc: add title property in BITSetup.info for undergraduate-thesis-en

Author: CreeperLKF

templates/undergraduate-thesis-en/main.tex

@@ -44,9 +44,10 @@
     % 想要删除某项封面信息，直接删除该项即可。
     % 想要让某项封面信息留空（但是保留下划线），请传入空白符组成的字符串，如"{~}"。
     % 如需要换行，则用 “\\” 符号分割。
+    title = 你的论文标题（中文）,
     titleEn = Your Thesis Title,
     school = School of Mechanical Engineering,
-    major = Bechelor of Science in Mechanical Engineering,
+    major = Bachelor of Science in Mechanical Engineering,
     author = Feng Kaiyu,
     studentId = 11xxxxxxxx,
     supervisor = Alex Zhang,