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.