Add kshell.sh script that connects to a kata-shell.

Change-Id: Ib6f12923700e440037fb012079f09cd274621555

kshell.sh

diff --git a/kshell.sh b/kshell.sh
new file mode 100755
index 0000000..9ec8644
--- /dev/null
+++ b/kshell.sh
@@ -0,0 +1,3 @@
+#! /bin/sh
+# Connect to the kata console shell
+stty sane -echo -icanon; socat - /tmp/term,raw; stty sane