feat(latex): add diagram for joint and sensors placement in methodology chapter

latex/chapters/id/03_methodology/material/index.tex

@@ -17,3 +17,11 @@ Struktur dataset yang digunakan ditampilkan pada Gambar~\ref{fig:original-data}.
     \caption{Overview of the original data used from Abdeljaber et al. (2017)}
     \label{fig:original-data}
 \end{figure}
+
+\begin{figure}
+    \centering
+    % \includegraphics[width=\textwidth]{}
+    \input{chapters/img/specimen}
+    \caption{Diagram joint and sensors placement}
+    \label{fig:specimen}
+\end{figure}