Add extra notebook to appendix

tex/appendix.tex

@@ -60,5 +60,7 @@
 	\import{../subprojects/general-semi-homog-presentation/notebooks/}{existence_of_wall_argument}
 	\section{Transferring Walls via FMT}
 	\import{../subprojects/transferring-characteristic-walls/notebooks/}{transferring_walls}
+	\section{Stabilising Matrices}
+	\import{../subprojects/stabilizer-subgroups-of-CFMT-PPAS/notebooks/}{stabilising_matrices}
 }
 \egroup