doc(docker): Clean old images

dockerfy/utils/remove_all.sh

@@ -3,9 +3,9 @@
 read -r -p "Remove images (front - back - mysql) - Are you sure? [Y/n]" response
 response=${response,,} # tolower
 if [[ $response =~ ^(yes|y| ) ]] || [[ -z $response ]]; then
-	docker image rm mysql:5.7
-	docker image rm ravada/front:latest
-	docker image rm ravada/back:latest
+	docker image rm mysql:5.7 -f
+	docker image rm ravada/front:latest -f
+	docker image rm ravada/back:latest -f
 fi
 
 read -r -p "Remove volume dockerfy_sshkeys - Are you sure? [Y/n]" response
@@ -20,3 +20,8 @@ if [[ $response =~ ^(yes|y| ) ]] || [[ -z $response ]]; then
 	rm -rfv /opt/ravada/*
 fi
 
+read -r -p "Warning! - Remove Remove all dangling images - Are you sure? [Y/n]" response
+response=${response,,} # tolower
+if [[ $response =~ ^(yes|y| ) ]] || [[ -z $response ]]; then
+    docker system prune
+fi