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/scripts/01-setup-hosts.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+# Set hostfile entries
+sudo sed -i "/$(hostname)/d" /etc/hosts
+cat /tmp/hostentries | sudo tee -a /etc/hosts &> /dev/null
+
+# Export internal IP of primary NIC as an environment variable
+echo "PRIMARY_IP=$(ip route | grep default | awk '{ print $9 }')" | sudo tee -a /etc/environment > /dev/null
+
+# Export architecture as environment variable to download correct versions of software
+echo "ARCH=arm64"  | sudo tee -a /etc/environment > /dev/null
+
+# Enable password auth in sshd so we can use ssh-copy-id
+# Enable password auth in sshd so we can use ssh-copy-id
+sudo sed -i --regexp-extended 's/#?PasswordAuthentication (yes|no)/PasswordAuthentication yes/' /etc/ssh/sshd_config
+sudo sed -i --regexp-extended 's/#?Include \/etc\/ssh\/sshd_config.d\/\*.conf/#Include \/etc\/ssh\/sshd_config.d\/\*.conf/' /etc/ssh/sshd_config
+sudo sed -i 's/KbdInteractiveAuthentication no/KbdInteractiveAuthentication yes/' /etc/ssh/sshd_config
+sudo systemctl restart sshd
+
+if [ "$(hostname)" = "controlplane01" ]
+then
+    sh -c 'sudo apt update' &> /dev/null
+    sh -c 'sudo apt-get install -y sshpass' &> /dev/null
+ fi
+
+# Set password for ubuntu user (it's something random by default)
+echo 'ubuntu:ubuntu' | sudo chpasswd