Add support for Sai Me Tei towel rail

Issue #2708

ACKNOWLEDGEMENTS.md

@@ -694,7 +694,7 @@ Further device support has been made with the assistance of users. Please consid
 - [sorrison](https://github.com/sorrison) for contributing improvements to Sanden heat pump.
 - [OsaedYahya](https://github.com/OsaedYahya) for contributing support for MyQ TD8 vide doorbell.
 - [holgergrote](https://github.com/holgergrote) for contributing support for Sygonix Smarter dehumidifier.
-- [rmf1995](https://github.com/rmf1995) for contributing support for Giatsu VAW 2 heat pump water heater.
+- [rmf1995](https://github.com/rmf1995) for contributing support for Giatsu VAW 2 heat pump water heater and assisting with support for Sai Me Tei towel rail.
 - [murch1](https://github.com/murch1) for contributing support for Brilliant ceiling fan with light.
 - [NashHome](https://github.com/NashHome) for contributing support for Avatto curtain with double light switch.
 - [ciscolyon69](https://github.com/ciscolyon69) for assisting with support for Avatto TRV06 radiator valve and another variant of MatSee Plus 2ch bidirectional clamp meter.

DEVICES.md

@@ -915,6 +915,7 @@ port and password.
 - RSE TY-WFH v3.01 gate controller
 - RTCZ-03 human presence sensor
 - RainPoint TTV103FRF water timer
+- Sai Me Tei towel rail
 - SD123 HPR01 human presence radar
 - SNT957W-TDE temperature sensor
 - SNT957W-DE CBU temperature and humidity sensor

custom_components/tuya_local/devices/saimetei_towel_warmer.yaml

@@ -0,0 +1,147 @@
+name: Towel rack
+products:
+  - id: sbcafqr6tykxq4bm
+    manufacturer: Sai Me Tei
+entities:
+  - entity: climate
+    dps:
+      - id: 1
+        type: boolean
+        name: hvac_mode
+        mapping:
+          - dps_val: false
+            value: "off"
+          - dps_val: true
+            value: heat
+      - id: 2
+        type: integer
+        name: temperature
+        range:
+          min: 40
+          max: 70
+        mapping:
+          - constraint: temperature_unit
+            conditions:
+              - dps_val: f
+                value_redirect: temp_set_f
+                step: 10
+                range:
+                  min: 100
+                  max: 160
+              - dps_val: c
+                step: 5
+      - id: 3
+        type: integer
+        optional: true
+        name: current_temperature
+        mapping:
+          - constraint: temperature_unit
+            conditions:
+              - dps_val: f
+                value_redirect: temp_cur_f
+      - id: 9
+        type: string
+        name: temperature_unit
+        mapping:
+          - dps_val: c
+            value: C
+          - dps_val: f
+            value: F
+      - id: 10
+        type: integer
+        optional: true
+        name: temp_set_f
+        range:
+          min: 100
+          max: 160
+        mapping:
+          - step: 10
+      - id: 11
+        type: integer
+        optional: true
+        name: temp_cur_f
+      - id: 14
+        type: string
+        name: hvac_action
+        mapping:
+          - dps_val: standby
+            value: idle
+  - entity: select
+    translation_key: temperature_unit
+    category: config
+    dps:
+      - id: 9
+        type: string
+        name: option
+        mapping:
+          - dps_val: c
+            value: celsius
+          - dps_val: f
+            value: fahrenheit
+  - entity: select
+    translation_key: timer
+    category: config
+    dps:
+      - id: 12
+        type: string
+        name: option
+        mapping:
+          - dps_val: cancel
+            value: cancel
+          - dps_val: "1h"
+            value: "1h"
+          - dps_val: "2h"
+            value: "2h"
+          - dps_val: "3h"
+            value: "3h"
+          - dps_val: "4h"
+            value: "4h"
+          - dps_val: "5h"
+            value: "5h"
+          - dps_val: "6h"
+            value: "6h"
+          - dps_val: "7h"
+            value: "7h"
+          - dps_val: "8h"
+            value: "8h"
+          - dps_val: "9h"
+            value: "9h"
+          - dps_val: "10h"
+            value: "10h"
+          - dps_val: "11h"
+            value: "11h"
+          - dps_val: "12h"
+            value: "12h"
+          - dps_val: "13h"
+            value: "13h"
+          - dps_val: "14h"
+            value: "14h"
+          - dps_val: "15h"
+            value: "15h"
+          - dps_val: "16h"
+            value: "16h"
+          - dps_val: "17h"
+            value: "17h"
+          - dps_val: "18h"
+            value: "18h"
+          - dps_val: "19h"
+            value: "19h"
+          - dps_val: "20h"
+            value: "20h"
+          - dps_val: "21h"
+            value: "21h"
+          - dps_val: "22h"
+            value: "22h"
+          - dps_val: "23h"
+            value: "23h"
+          - dps_val: "24h"
+            value: "24h"
+  - entity: sensor
+    translation_key: time_remaining
+    class: duration
+    category: diagnostic
+    dps:
+      - id: 13
+        type: integer
+        name: sensor
+        unit: min