Add alias for pydoc3

dotfiles/config/bashum/main.bashrc

 alias xoo='xop oo'
 alias reboot="echo -n . ; sync ; echo -n . ; sync ; echo -n . ; systemctl reboot"
 alias poweroff="echo -n . ; sync ; echo -n . ; sync ; echo -n . ; systemctl poweroff"
+alias pydoc='pydoc3'
 
 x4xx() {
     #