Add wifi connection

main.py

@@ -0,0 +1,33 @@
+import time
+import network
+
+from config import (
+    WIFI_PASSWORD,
+    WIFI_SSID,
+)
+
+def connect_wifi():
+    wlan = network.WLAN(network.STA_IF)
+    wlan.active(True)
+
+    while True:
+        print("Connecting to Wi-Fi...")
+
+        wlan.connect(WIFI_SSID, WIFI_PASSWORD)
+
+        for _ in range(10):
+            if wlan.status() == 3:
+                print("connected :", wlan.ifconfig()[0])
+                return wlan
+
+            if wlan.status() < 0:
+                break
+
+            time.sleep(1)
+
+        print(f"network connection failed (status={wlan.status()})")
+        wlan.disconnect()
+        time.sleep(2)
+
+connect_wifi()
+