New Device Config - Geyserwise MWS #3644 (#3971)

* Add Geyserwise MWS water heater configuration

Add the Geyserwise MWS Solar MPPT Geyser controller unit.

* fix: (geyserwise_mws_waterheater): changes from review

- use generic top level name
- use valid operation modes
- follow HA naming convention for entities
- remove redundant readonly marking

PR #4006

* fix (geyserwise_mws_waterheater): Remove another readonly

Removed readonly attribute from Element binary sensor.

PR #3971

* fix (geyserwise_mws_water_heater): Rename value dp to sensor

PR #3971

---------

Co-authored-by: Jason Rumney <make-all@users.noreply.github.com>

custom_components/tuya_local/devices/geyserwise_mws_water_heater.yaml

@@ -0,0 +1,209 @@
+name: Water heater
+products:
+  - id: qwbyia2yr5ip9y4v
+    manufacturer: Geyserwise
+    model: MWS
+    name: Solar MPPT Geyser
+entities:
+  - entity: water_heater
+    dps:
+      - id: 1
+        type: boolean
+        name: operation_mode
+        mapping:
+          - dps_val: false
+            value: "off"
+          - dps_val: true
+            value: electric
+      - id: 2
+        type: string
+        name: away_mode
+        mapping:
+          - dps_val: Timer
+            value: false
+          - dps_val: Holiday
+            value: true
+      - id: 10
+        type: integer
+        name: current_temperature
+      - id: 102
+        type: integer
+        name: temperature
+        unit: C
+        range:
+          min: 30
+          max: 75
+  - entity: binary_sensor
+    name: Element
+    class: running
+    category: diagnostic
+    dps:
+      - id: 13
+        type: string
+        name: sensor
+        mapping:
+          - dps_val: "Off"
+            value: false
+          - dps_val: "On"
+            value: true
+  - entity: binary_sensor
+    class: problem
+    category: diagnostic
+    dps:
+      - id: 20
+        type: bitfield
+        name: sensor
+        mapping:
+          - dps_val: 0
+            value: false
+          - value: true
+      - id: 20
+        type: bitfield
+        name: fault_code
+      - id: 20
+        type: bitfield
+        name: description
+        mapping:
+          - dps_val: 0
+            value: ok
+          - dps_val: 1
+            value: Over current
+          - dps_val: 2
+            value: Dry burn
+          - dps_val: 4
+            value: Wt sensor fault
+          - dps_val: 8
+            value: Heating loss
+          - dps_val: 16
+            value: Over temperature
+          - dps_val: 32
+            value: Water leak
+          - dps_val: 64
+            value: Comm failure
+          - dps_val: 128
+            value: Ct probe fault
+          - dps_val: 256
+            value: Pump failure
+  - entity: switch
+    name: AC boost
+    category: config
+    dps:
+      - id: 101
+        type: boolean
+        name: switch
+  - entity: number
+    name: Overnight temperature
+    category: config
+    class: temperature
+    dps:
+      - id: 103
+        type: integer
+        name: value
+        unit: C
+        range:
+          min: 30
+          max: 75
+  - entity: number
+    name: Morning temperature
+    category: config
+    class: temperature
+    dps:
+      - id: 104
+        type: integer
+        name: value
+        unit: C
+        range:
+          min: 30
+          max: 75
+  - entity: number
+    name: Afternoon temperature
+    category: config
+    class: temperature
+    dps:
+      - id: 105
+        type: integer
+        name: value
+        unit: C
+        range:
+          min: 30
+          max: 75
+  - entity: number
+    name: Evening temperature
+    category: config
+    class: temperature
+    dps:
+      - id: 106
+        type: integer
+        name: value
+        unit: C
+        range:
+          min: 30
+          max: 75
+  - entity: sensor
+    name: Element AC runtime
+    category: diagnostic
+    class: duration
+    dps:
+      - id: 107
+        type: integer
+        name: sensor
+        unit: h
+  - entity: sensor
+    name: Power source
+    category: diagnostic
+    dps:
+      - id: 110
+        type: string
+        name: sensor
+  - entity: sensor
+    class: power
+    category: diagnostic
+    name: AC element power
+    dps:
+      - id: 108
+        type: integer
+        name: sensor
+        unit: W
+        class: measurement
+        force: true
+        mapping:
+          - scale: 10
+  - entity: sensor
+    class: power
+    category: diagnostic
+    name: PV power
+    dps:
+      - id: 113
+        type: integer
+        name: sensor
+        unit: W
+        class: measurement
+        force: true
+        mapping:
+          - scale: 10
+  - entity: sensor
+    class: current
+    category: diagnostic
+    name: PV current
+    dps:
+      - id: 112
+        type: integer
+        name: sensor
+        unit: A
+        class: measurement
+        force: true
+        mapping:
+          - scale: 10
+  - entity: sensor
+    class: voltage
+    category: diagnostic
+    name: PV voltage
+    dps:
+      - id: 111
+        type: integer
+        name: sensor
+        unit: V
+        class: measurement
+        force: true
+        mapping:
+          - scale: 10