chore: update README and auto-generate vimdoc

Author: github-actions[bot]

README.md

@@ -212,7 +212,7 @@ Voice commands (`:GpWhisper*`) depend on `SoX` (Sound eXchange) to handle audio
 Below is a linked snippet with the default values, but I suggest starting with minimal config possible (just `openai_api_key` if you don't have `OPENAI_API_KEY` env set up). Defaults change over time to improve things, options might get deprecated and so on - it's better to change only things where the default doesn't fit your needs.
 
 <!-- README_REFERENCE_MARKER_REPLACE_NEXT_LINE -->
-https://github.com/Robitx/gp.nvim/blob/ee68db9b92651ae6c3af544bfc218e6207e7441b/lua/gp/config.lua#L10-L627
+https://github.com/Robitx/gp.nvim/blob/8e2d86a49e0378e78ba43f1184245f4d4d26dca5/lua/gp/config.lua#L10-L637
 
 # Usage
 

doc/gp.nvim.txt

@@ -1,4 +1,4 @@
-*gp.nvim.txt*              For Neovim              Last change: 2025 August 10
+*gp.nvim.txt*              For Neovim              Last change: 2025 August 11
 
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 Table of Contents                                  *gp.nvim-table-of-contents*
@@ -252,7 +252,7 @@ options might get deprecated and so on - it’s better to change only things
 where the default doesn’t fit your needs.
 
 
-https://github.com/Robitx/gp.nvim/blob/ee68db9b92651ae6c3af544bfc218e6207e7441b/lua/gp/config.lua#L10-L627
+https://github.com/Robitx/gp.nvim/blob/8e2d86a49e0378e78ba43f1184245f4d4d26dca5/lua/gp/config.lua#L10-L637
 
 
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