use zsh-vi-mode plugin

shell/.config/zsh/plugins/README.md

@@ -2,5 +2,6 @@ Directory for plugins. Checkout here
 
 1. zsh-autosuggestions (https://github.com/zsh-users/zsh-autosuggestions)
 2. zsh-syntax-highlighting (https://github.com/zsh-users/zsh-syntax-highlighting)
+3. https://github.com/jeffreytse/zsh-vi-mode
 
 or install then with package manager in /usr/share/zsh/plugins/ and symlink.

shell/.zshrc

@@ -90,6 +90,7 @@ if source_if_exists ~/.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-hig
     ZSH_HIGHLIGHT_STYLES[comment]=fg=cyan,bold
 fi
 
+source_if_exists ~/.config/zsh/plugins/zsh-vi-mode/zsh-vi-mode.plugin.zsh
 
 
 # Directory stack and ls colors.