Added writeup diagram files and scripts to generate to images

utility/uml/generate_diagrams.ksh

@@ -0,0 +1,13 @@
+#!/bin/ksh
+
+targetdir="$(pwd)/static/assets/diagrams"
+
+rm -rf "$targetdir/*"
+cp $(pwd)/writeup/diagrams/*.png $targetdir
+
+for diag in $(find . -path "node_modules" -prune -o -name "*.puml" -print); do
+	ofilename="$(basename $diag .puml).png"
+
+	java -jar "utility/uml/plantuml-1.2021.13.jar" $diag -o $targetdir
+	echo "Compiled $diag to $targetdir/$ofilename"
+done