Add weather report nag

dotfiles/config/bmo/nag.ini

@@ -1,5 +1,5 @@
 [nag.stream]
-    master = event overdue projsum active week stconflict
+    master = event overdue projsum active week stconflict wttr
 
 [nag.def.event]
     command = task rc.verbose=nothing list +event due.before:now+2w -ACTIVE