feat: add thesis cover and declaration

aust-thesis-example.tex

@@ -1,6 +1,30 @@
 \documentclass{aust-thesis}
 \input{aust-thesis-example/packages.tex}
 
+\austthesissetup{
+  clcindex          = {OK114.514},
+  catindex          = {007.0.0},
+  index             = {0114-0514 \(1919\)00-0000-00},
+  secret            = {绝\hspace{2em}密},
+  level             = {硕\hspace{1em}士\hspace{1em}学\hspace{1em}位\hspace{1em}论\hspace{1em}文},
+  title             = {意大利面与45号混凝土的微观级复合拌合研究},
+  subtitle          = {针对可使用无机物的研究},
+  name              = {张三},
+  major             = {摸鱼专业},
+  direction         = {无机物烹饪},
+  mentor            = {李四\hspace{1em}非教授},
+  mentor_institution = {打灰学院},
+  committee_chairman = {王五},
+  defence_date      = {2026年04月01日},
+  date              = {2026年04月01日},
+  major_en          = {Touching Fish},
+  title_en          = {A Study on the Micro-Level Composite Mixing of Spaghetti and Number 45 Concrete},
+  subtitle_en       = {A study on the use of inorganic substances},
+  name_en           = {San Zhang},
+  mentor_en         = {Si Lee},
+  school_en         = {Whitewash School},
+  university        = {家里蹲大学},
+}
 
 \begin{document}
 
@@ -11,9 +35,7 @@
 \clearpage
 
 % 版权与签字部分
-\austnopagenum
-\section*{独创性声明}
-\section*{学位论文版权使用授权书}
+\austthesisdeclaration
 \clearpage
 
 % endregion