Add config file ; add static types

oin_thermostat/__main__.py

@@ -1,13 +1,18 @@
 import logging
+import tomllib
 
 from .mqtt import HAClient
 
 if __name__ == "__main__":
+    with open("config.toml", "rb") as config_file:
+        config = tomllib.load(config_file)
+
     logging.basicConfig(level=logging.DEBUG)
 
     client = HAClient(
         "climate.chaudiere",
         ["sensor.esptic_tempo", "sensor.rte_tempo_prochaine_couleur"],
+        config.get("mqtt", dict()),
     )
 
     client.connect()