update scripts for ubuntu
diff --git a/scripts/network-config b/scripts/network-config
new file mode 100644
index 0000000..bfd94c5
--- /dev/null
+++ b/scripts/network-config
@@ -0,0 +1,22 @@
+# This file contains a netplan-compatible configuration which cloud-init
+# will apply on first-boot. Please refer to the cloud-init documentation and
+# the netplan reference for full details:
+#
+# https://cloudinit.readthedocs.io/
+# https://netplan.io/reference
+#
+# Some additional examples are commented out below
+
+network:
+    version: 2
+    ethernets:
+        eth0:
+            dhcp4: true
+            optional: true
+    wifis:
+        wlan0:
+            optional: true
+            dhcp4: true
+            access-points:
+                "SSID":
+                    password: "PSSWD"