Imported scripts from private repository and enforced the naming convention

scripts/opensuse/zfs.setup.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# sources:
+# - https://en.opensuse.org/OpenZFS
+
+sudo zypper addrepo --refresh https://download.opensuse.org/repositories/filesystems/openSUSE_Tumbleweed/filesystems.repo
+sudo zypper install --no-confirm zfs
+
+chsh --shell $(which zsh) ${USER}