runtime(doc): add another tag for vim-shebang feature

related: #15011

Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/doc/tags

@@ -11161,6 +11161,7 @@ vim-raku	ft_raku.txt	/*vim-raku*
 vim-script-intro	usr_41.txt	/*vim-script-intro*
 vim-script-library	eval.txt	/*vim-script-library*
 vim-security	intro.txt	/*vim-security*
+vim-shebang	various.txt	/*vim-shebang*
 vim-use	intro.txt	/*vim-use*
 vim-variable	eval.txt	/*vim-variable*
 vim.b	if_lua.txt	/*vim.b*

runtime/doc/various.txt

@@ -1,4 +1,4 @@
-*various.txt*   For Vim version 9.1.  Last change: 2024 May 23
+*various.txt*   For Vim version 9.1.  Last change: 2024 Jun 15
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -138,7 +138,7 @@ g8			Print the hex values of the bytes used in the
 :[range]# [count] [flags]
 			synonym for :number.
 
-							*:#!*
+							*:#!* *vim-shebang*
 :#!{anything}		Ignored, so that you can start a Vim script with: >
 				#!vim -S
 				echo "this is a Vim script"