docs: update README for nvim changes

README.md

@@ -10,13 +10,14 @@ This is optimized by default for dark terminals, and contains configurations for
 use with
 
 - zsh >= v5.8
-- neovim >= v0.6
+- neovim >= v0.9
 - tmux >= 3.2
 
 All of these have standard setting but can be customized by using optional
 include files. Please read the following configs
 
 - `vimrc`
+- `init.lua`
 - `zshrc`
 - `tmux/tmux.conf`
 
@@ -48,8 +49,7 @@ them and then run the following commands.
 (
     git pull --recurse-submodules=yes
     git submodule foreach git fetch --all --prune
-    git submodule foreach git checkout master
-    git submodule foreach git pull
+    git submodule update --remote --rebase
     git pull --recurse-submodules=yes
 )
 
@@ -85,7 +85,7 @@ git clone --recurse-submodules --recursive https://git.st8l.com/dolysis/psoxizsh
 
 ## Configure NeoVim
 
-Make sure you have neovim (tested on v0.6.1) installed and after starting zsh
+Make sure you have neovim (tested on v0.9.x, v0.10.x) installed and after starting zsh
 check that the following variable are set by typing
 
 You will need to install `neovim`, `nodejs` and `npm` to get the full use of vim
@@ -93,10 +93,14 @@ You will need to install `neovim`, `nodejs` and `npm` to get the full use of vim
 Just start neovim (`nvim`) and wait for it to finish. After that quit and it
 should be ready to use.
 
+You can also use: `nvim --headless '+Lazy! sync' +TSUpdate +qa` to sync all plugins
+without opening neovim.
+
+See the default entrypoint ([init.lua](./init.lua)) for more details on how to
+configure your local setup further.
+
 ```bash
-echo $VIMINIT
-echo $MYVIMRC
-echo $VIMHOME
+nvim ~/.config/nvim/init.lua
 ```
 
 Enjoy