[vim] fix unfolding with is.vim
Yes, this only fixes `n`, but I'll do the rest as needed.
change
commit a3afa53a9d79faaa379cf22362d51307c563dc3d
author Alpha Chen <alpha@kejadlen.dev>
date
parent 67b9c9d4 
diff --git a/.vimrc b/.vimrc
index dcf6afb0..19772e08 100644
--- a/.vimrc
+++ b/.vimrc
@@ -169,6 +169,9 @@ set hlsearch
 set ignorecase
 set smartcase
 
+" https://github.com/haya14busa/is.vim/issues/4
+map n <Plug>(is-n)zv
+
 " }}}
 
 " Plugins {{{