chore(doc): auto generate docs

Author: github-actions[bot]

doc/dashboard.txt

@@ -1,4 +1,4 @@
-*dashboard.txt*            For Nvim 0.8.0            Last change: 2024 June 25
+*dashboard.txt*            For Nvim 0.8.0            Last change: 2024 July 01
 
 ==============================================================================
 Table of Contents                                *dashboard-table-of-contents*
@@ -68,6 +68,7 @@ OPTIONS                                      *dashboard-configuration-options*
     theme = 'hyper' --  theme is doom and hyper default is hyper
     disable_move    --  default is false disable move keymap for hyper
     shortcut_type   --  shorcut type 'letter' or 'number'
+    shuffle_letter  --  default is true, shortcut 'letter' will be randomize, set to false to have ordered letter.
     change_to_vcs_root -- default is false,for open file in hyper mru. it will change to the root of vcs
     config = {},    --  config used for theme
     hide = {