Add example configs from libvirt provider.

cloud_init.cfg

@@ -0,0 +1,20 @@
+#cloud-config
+# vim: syntax=yaml
+#
+# ***********************
+# 	---- for more examples look at: ------
+# ---> https://cloudinit.readthedocs.io/en/latest/topics/examples.html
+# ******************************
+#
+# This is the configuration syntax that the write_files module
+# will know how to understand. encoding can be given b64 or gzip or (gz+b64).
+# The content will be decoded accordingly and then written to the path that is
+# provided.
+#
+# Note: Content strings here are truncated for example purposes.
+ssh_pwauth: True
+chpasswd:
+  list: |
+     root:terraform-libvirt-linux
+  expire: False
+

network_config.cfg

@@ -0,0 +1,4 @@
+version: 2
+ethernets:
+  ens3:
+    dhcp4: true