🛏 add support for xiaomi.blanket.mj1 (#1896)

custom_components/xiaomi_miot/core/device_customizes.py

@@ -1201,7 +1201,7 @@
         'chunk_properties': 1,
         'sensor_properties': 'fault,water_level,a_temperature,b_temperature',
         'switch_properties': 'alarm,antifreezing_switch,ab_sleep_switch,anti_scald_switch',
-        'select_properties': 'mode,water_level',
+        'select_properties': 'mode',
         'number_properties': 'target_temperature,timer',
     },
 
@@ -1403,6 +1403,12 @@
         'button_actions': 'homepage,light',
         'text_actions': 'play_text,execute_text_directive',
     },
+    'xiaomi.blanket.mj1': {
+        'chunk_properties': 1,
+        'switch_properties': 'anti_scald_switch,ab_sleep_switch,auto_screen_off',
+        'select_properties': 'mode,heat_level',
+        'number_properties': 'a_countdown,b_countdown',
+    },
     'xiaomi.esteamer.mes01': {
         'sensor_properties': 'left_time,keep_warm_left_time',
         'switch_properties': 'auto_keep_warm',