fix(dissertation): figure positions changed to H

pub/dissertation/chapters/design.tex

@@ -12,7 +12,7 @@ Splitting up the project into multiple components has been useful for
     to be implemented with minimal need to refactor other parts of the codebase
 \end{itemize}
 
-\begin{figure}[!h]
+\begin{figure}[H]
 \centering
   \begin{tikzpicture} [align=center, node distance=4cm]
     \node (connector) [box] {Checklist Tester};
@@ -132,7 +132,7 @@ Brief overview of what it is supposed to do... % TODO
   \item Used SQLite databse with SQLDelight which creates typesafe Kotlin APIs
     to interact with the database
 \end{itemize}
-\begin{figure}[!h]
+\begin{figure}[H]
   \centering
   \begin{tikzpicture}[
     auto,