add autopruge alias

bashrc

@@ -78,3 +78,4 @@ function dfall() {
 alias ls='ls --color=auto'
 PS1='`[ $? = 0 ] || echo "$? "`[\u@\h \w]\$ '
 alias docker='sudo docker'
+alias autopurge='sudo pacman -Rns $(pacman -Qdtq)'