[Ana] Prepare title page, add structure

semester3/analysis-ii/analysis-ii-cheat-sheet.tex

@@ -11,5 +11,58 @@
 \usetcolorboxes
 
 
+%          ╭────────────────────────────────────────────────╮
+%          │                   Title page                   │
+%          ╰────────────────────────────────────────────────╯
+\vspace{2cm}
+\begin{Huge}
+    \begin{center}
+        TITLE PAGE COMING SOON
+    \end{center}
+\end{Huge}
+
+
+\vspace{4cm}
+\begin{center}
+    \begin{Large}
+        ``\textit{Some funny quote from the lecture still needed}''
+    \end{Large}
+
+    \hspace{3cm} - Özlem Imamoglu, 2025
+\end{center}
+
+\vspace{3cm}
+\begin{center}
+    HS2025, ETHZ\\[0.2cm]
+    \begin{Large}
+        Cheat-Sheet based on Lecture notes and Script
+    \end{Large}\\[0.2cm]
+
+    \url{https://metaphor.ethz.ch/x/2025/hs/401-0213-16L/sc/script-analysis-II.pdf} 
+\end{center}
+
+
+\newpage
+\printtoc{Cyan}
+
+
+\newpage
+\section{Introduction}
+This Cheat-Sheet does not serve as a replacement for solving exercises and getting familiar with the content.
+There is no guarantee that the content is 100\% accurate, so use at your own risk. 
+If you discover any errors, please open an issue or fix the issue yourself and then open a Pull Request here:
+
+\url{https://github.com/janishutz/eth-summaries}
+
+This Cheat-Sheet was designed with the HS2025 page limit of 10 A4 pages in mind. 
+Thus, the whole Cheat-Sheet can be printed full-sized, if you exclude the title page, contents and this page.
+
+
+
+%          ╭────────────────────────────────────────────────╮
+%          │                    Content                     │
+%          ╰────────────────────────────────────────────────╯
+\input{parts/diff-eq.tex}
+
 
 \end{document}

semester3/analysis-ii/parts/diff-eq.tex

@@ -0,0 +1,2 @@
+\newsection
+\section{Differential Equations}