patch 9.1.0836: The vimtutor can be improved

Problem:  the vimtutor can be improved
Solution: port and include the interactive vimtutor plugin from Neovim
          (by Felipe Morales) (Yegappan Lakshmanan)

closes: #6414

Signed-off-by: Christian Brabandt <cb@256bit.org>
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
diff --git a/runtime/doc/usr_01.txt b/runtime/doc/usr_01.txt
index fdf1b53..9902691 100644
--- a/runtime/doc/usr_01.txt
+++ b/runtime/doc/usr_01.txt
@@ -1,4 +1,4 @@
-*usr_01.txt*	For Vim version 9.1.  Last change: 2024 May 11
+*usr_01.txt*	For Vim version 9.1.  Last change: 2024 Nov 03
 
 		     VIM USER MANUAL - by Bram Moolenaar
 
@@ -107,6 +107,8 @@
 ==============================================================================
 *01.3*	Using the Vim tutor				*tutor* *vimtutor*
 
+For the interactive tutor, see |vim-tutor-mode|
+
 Instead of reading the text (boring!) you can use the vimtutor to learn your
 first Vim commands.  This is a 30-minute tutorial that teaches the most basic
 Vim functionality hands-on.