seruser to-do update, new tmemo section introduced for design notes --

it should on-fly document design decisions we have been making

doc/seruser/seruser.sgml

@@ -5075,7 +5075,16 @@ if (len_gt(1024)) {
     
     <!-- TODO
 
-    serweb
+    serweb, serweb accounting
+
+	new chapter: Network Design Example - should include a nice
+    picture of a network with all components in it and routes
+    to it, which correlate to a script; after the picture,
+	explanation of each route's specifics should be given
+    (use of auth, aaa, t_on_negative, etc.)
+
+    when already doing the pictures, one should make one of the
+    state machine for tm programmer's guide too
 
     FAQ: 
     - bandwidth, FW/NATs

doc/tmemo/README

@@ -0,0 +1,2 @@
+This directory contains short memos documenting design decisions
+made in ser or accompanying applications.