Add Support for Ecostrad iQ Heating Element

Initial stab at getting a functioning YAML.
TODO: Schedule + mode icons

custom_components/tuya_local/devices/ecostrad_iq_heating_element.yaml

@@ -0,0 +1,116 @@
+name: Ecostrad iQ Heating Element
+primary_entity:
+  entity: climate
+  icon: "mdi:radiator"
+  dps:
+    - id: 1
+      type: boolean
+      name: hvac_mode
+      mapping:
+        - dps_val: true
+          value: "heat"
+        - dps_val: false
+          value: "off"
+    - id: 2
+      type: string
+      name: preset_mode
+      mapping:
+        - dps_val: "auto"
+          value: Program
+          icon: "mdi:clock-outline"
+        - dps_val: "eco"
+          value: Eco
+          icon: "mdi:moon-waxing-crescent"
+        - dps_val: "hot"
+          value: Comfort
+          icon: "mdi:weather-sunny"
+        - dps_val: "only_inside"
+          value: Radiator
+          icon: "mdi:radiator"
+    - id: 16
+      type: integer
+      name: temperature
+      range:
+        min: 70
+        max: 300
+      mapping:
+        - scale: 10
+          step: 5
+    - id: 24
+      type: integer
+      name: current_temperature
+      mapping:
+        - scale: 10
+secondary_entities:
+  - entity: number
+    name: Radiator Mode Temperature
+    category: config
+    dps:
+      - id: 57
+        type: integer
+        name: value
+        unit: C
+        range:
+          min: 300
+          max: 700
+        mapping:
+          - scale: 10
+            step: 50
+  - entity: lock
+    name: Child lock
+    category: config
+    dps:
+      - id: 40
+        type: boolean
+        name: lock
+        mapping:
+          - dps_val: true
+            icon: "mdi:hand-back-right-off"
+          - dps_val: false
+            icon: "mdi:hand-back-right"
+  - entity: select
+    name: Open window detection
+    category: config
+    dps:
+      - id: 108
+        type: string
+        name: option
+        mapping:
+          - dps_val: 0
+            value: "Off"
+            icon: "mdi:window-closed"
+          - dps_val: 60
+            value: "60 mins"
+            icon: "mdi:window-open"
+          - dps_val: 90
+            value: "90 mins"
+            icon: "mdi:window-open"
+  - entity: number
+    name: Boost time
+    category: config
+    dps:
+      - id: 111
+        type: integer
+        name: value
+        unit: hours
+        range:
+          min: 0
+          max: 7
+  - entity: number
+    name: Calibration offset
+    category: config
+    dps:
+      - id: 27
+        type: integer
+        name: value
+        unit: C
+        range:
+          min: -5
+          max: 5
+  - entity: sensor
+    name: Schedule Encoded
+    dps:
+      - id: 110
+        name: sensor
+        type: base64
+        optional: true