Update module docs

editor/tview.go

-// Package editor provides a simple editor.
+/*
+Package editor provides a simple editor.
+
+This is implemented with [github.com/gdamore/tcell] and
+[github.com/rivo/tview].  It would be good to make this work more like EDT.
+
+In addition, it might be an idea to offer a set of editors that work
+like EDT, nano, vi and emacs and allow users to set a preference.
+*/
 package editor
 
 import (

folders/folders.go

-// Package folders are all the routines and sql for managing folders.
+/*
+Package folders have higher level routines for working with the
+[storage] routines.
+
+This module should likely be stripped down to some routines for verifying
+things about folders.  The storage specific bits should go to [storage].
+*/
 package folders
 
 import (

folders/verify.go

-// Package folders are all the routines and sql for managing folders.
 package folders
 
 import "unicode"

pager/pager.go

 /*
 Package pager implements the pager.  This is used for any large block of
 text that bulletin needs to show.
+
+This is very unix specific. Using something like [github.com/gdamore/tcell]
+would be more portable.
 */
 package pager
 

users/users.go

-// Package users manages users.
+// Package users has routines for verifying things about users.
 package users
 
 import (