Refresh and add Apple Silicon (#338)

* Delete CKA stuff.
It's covered in CKA repo

* Rename nodes

* Cluster up again

* Update issue template

* Update README

* Begin rearranging docs

* Update links

* Initial mac instructions

* iterm2 image

* update ssh-copy-id to be cross platform

* remove vagrant specific

* Apple scripts WIP

* Add var for architecture

* order input files

* Apple build working!

* auto-locate docs

* install sshpass

* Set execute bit

* apple done!

* install sshpass

* edits

* Corrections

* kube version output

* Adjustments

* Adjustments

apple-silicon/delete-virtual-machines.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+set -eo pipefail
+
+specs=/tmp/vm-specs
+cat <<EOF > $specs
+controlplane01,2,2048M,10G
+controlplane02,2,2048M,5G
+loadbalancer,1,512M,5G
+node01,2,2048M,5G
+node02,2,2048M,5G
+EOF
+
+for spec in $(cat $specs)
+do
+    n=$(cut -d ',' -f 1 <<< $spec)
+    multipass stop $n
+    multipass delete $n
+done
+
+multipass purge
+
+echo
+echo "You should now remove all the following lines from /var/db/dhcpd_leases"
+echo
+cat /var/db/dhcpd_leases | egrep -A 5 -B 1 '(controlplane|node|loadbalancer)'
+echo
+cat <<EOF
+Use the following command to do this
+
+  sudo vi /var/db/dhcpd_leases
+
+EOF