Add scripts for zfs send and recv for making full clones.

I most often need to make full clones when doing zfs send or recv so this writes down all the flags I prefer to use in a script so I do not forget them.

ansible/roles/zfs/files/zfs_clone_recv.bash

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+#
+# A zfs-send alias that creates a perfect clone with good defaults.
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# -s if the stream is interrupted, save the partial stream. The stream can then be resumed by doing a zfs send -t token where token is the receive_resume_token prop on the dataset we received into.
+# -u Do not mount the filesystem we are receiving. We can always mount afterwards but this avoids issues with streams with mountpoints to places like /
+zfs recv -s -u
+
+# To delete an interrupted recv, run `zfs receive -A dataset`