fix: Add type ignore comments for imports in multiple scripts to improve compatibility

Scripts/air_conditioning.py

@@ -1,5 +1,5 @@
-from machine import Pin
-import time
+from machine import Pin # type: ignore
+import time # type: ignore
 
 class ACController:
     """Control AC unit via opto-coupler relay."""

Scripts/discord_webhook.py

@@ -38,7 +38,7 @@ def send_discord_message(message, username="Auto Garden Bot", is_alert=False):
     try:
         # local import to save RAM
         import urequests as requests  # type: ignore
-        import gc
+        import gc # type: ignore
 
         url = str(url).strip().strip('\'"')
         content = _escape_json_str(message)

Scripts/heating.py

@@ -1,5 +1,5 @@
-from machine import Pin
-import time
+from machine import Pin # type: ignore
+import time # type: ignore
 
 class HeaterController:
     """Control heater via opto-coupler relay."""

Scripts/networking.py

@@ -1,5 +1,5 @@
-import network
-import time
+import network # type: ignore
+import time # type: ignore
 
 def connect_wifi(led=None, max_retries=3, timeout=20, config=None):
     """

Scripts/web_server.py

@@ -2,8 +2,6 @@ import socket
 import time # type: ignore
 import json
 import scripts.discord_webhook as discord_webhook
-import os
-
 
 class TempWebServer:
     """Simple web server for viewing temperatures and adjusting settings."""