chore and add zoxide

zsh/.zshenv

@@ -1,13 +1,9 @@
 export GOPATH="$HOME/.go"
 export PATH="$HOME/.cargo/bin:$HOME/.gem/bin:$GOPATH/bin:$HOME/.dotfiles/bin:$PATH:$HOME/.local/bin"
 
-if [[ -x /usr/bin/nvim ]] || [[ -x /opt/homebrew/bin/nvim ]]; then
+if builtin type -p nvim &> /dev/null; then
   export EDITOR=nvim
-elif [[ -x /usr/bin/vim ]] || [[ -x /opt/homebrew/bin/vim ]]; then
-  export EDITOR=vim
 fi
 
 export LESS="-FRSMKI"
 export SYSTEMD_LESS="FRSMKI"
-
-[[ -x /usr/bin/dircolors ]] && eval "$(dircolors)"