add a graphing script to display mem and state growth during conversion

Author: gballet

scripts/gen_mem_disk_graph.m

@@ -0,0 +1,8 @@
+M = csvread("monitor.csv");
+X = M(:,1) - M(1,1);
+plot(X,M(:,2),X,M(:,3)/1024);
+legend("memory", "database", "location", "southeast")
+title("state and memory growth for the verkle conversion")
+ylabel("MB")
+xlabel("seconds")
+print("monitor.png", "-dpng")