doc: packages needed by locally installed apps

.README.md

@@ -33,6 +33,19 @@ dotfiles checkout 2>&1 | egrep "\s+" | awk {'print $1'} |
 dotfiles checkout
 ```
 
+## Install into `/etc/skel`
+
+```
+sudo mkdir -p /etc/skel/.dotfiles
+sudo chown $(whoami) /etc/skel
+
+git clone --bare $(dotfiles remote -v | head -1 | cut -f2 | cut -f1 -d' ') /etc/skel/.dotfiles
+
+alias skelfiles='/usr/bin/git --git-dir=/etc/skel/.dotfiles --work-tree=/etc/skel'
+skelfiles config --local status.showUntrackedFiles no
+skelfiles checkout
+```
+
 ## Useful Commands
 
 - List all tracked files (from CWD):  
@@ -101,6 +114,10 @@ So it is more coherent/simpler to copy this behaviour into Zsh.
 
 ## lazygit
 
+````
+sudo apt install git-delta
+````
+
 ### Binary Releases
 
 ```
@@ -125,6 +142,7 @@ go install github.com/jesseduffield/lazygit@latest
 ```
 mkdir -p $HOME/dev_3rd/golang
 cd $HOME/dev_3rd/golang
+
 git clone https://github.com/jesseduffield/lazygit.git
 cd lazygit
 go install
@@ -133,10 +151,17 @@ go install
 ## neovim
 
 ````
+sudo apt install libfuse2 xsel
+
+mkdir -p $HOME/.local/bin
 cd $HOME/.local/bin
+
 curl -LO https://github.com/neovim/neovim/releases/download/nightly/nvim.appimage
 chmod u+x nvim.appimage
 ln -sf nvim.appimage nvim
+ln -sf nvim.appimage vi
+
 cd $HOME
 nvim --version
+vi --version
 ````