Add appendix for calculations

latex/appendices.tex

@@ -0,0 +1,13 @@
+\documentclass[../ising_model.tex]{subfiles}
+
+\begin{document}
+\appendix
+\section{Ising model system states}\label{sec:system_states}
+
+
+\section{Analytical expressions}\label{sec:analytical_expressions}
+
+
+
+
+\end{document}