Add Zathura config

general/configs/fish/config.fish

@@ -2,6 +2,7 @@ alias ls='ls -l --color'
 alias ll='ls -la --color'
 alias v='nvim'
 alias c='clear'
+alias z='zathura-sandbox'
 alias bt='bashtop'
 alias vicfg='cd ~/.config/nvim/ && nvim'
 alias fm='thunar .'