feat: add example for wifi sae connection

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/1247

examples/python/dbus/add-wifi-sae-connection.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import dbus, uuid
+
+s_con = dbus.Dictionary(
+    {"type": "802-11-wireless", "uuid": str(uuid.uuid4()), "id": "My-WPA3-Personal"}
+)
+
+s_wifi = dbus.Dictionary(
+    {"ssid": dbus.ByteArray("wpa3wifi".encode("utf-8")), "mode": "infrastructure"}
+)
+
+s_wsec = dbus.Dictionary({"key-mgmt": "sae", "psk": "super-secret-password"})
+
+s_ip4 = dbus.Dictionary({"method": "auto"})
+s_ip6 = dbus.Dictionary({"method": "ignore"})
+
+con = dbus.Dictionary(
+    {
+        "connection": s_con,
+        "802-11-wireless": s_wifi,
+        "802-11-wireless-security": s_wsec,
+        "ipv4": s_ip4,
+        "ipv6": s_ip6,
+    }
+)
+print("Creating connection:", s_con["id"], "-", s_con["uuid"])
+
+bus = dbus.SystemBus()
+proxy = bus.get_object(
+    "org.freedesktop.NetworkManager", "/org/freedesktop/NetworkManager/Settings"
+)
+settings = dbus.Interface(proxy, "org.freedesktop.NetworkManager.Settings")
+
+settings.AddConnection(con)