Add Gosund SP211 Dual Smart Plug (#3891)

* Add support to Gosund SP211

---------

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

custom_components/tuya_local/devices/gosund_sp211_dualsmartplug.yaml

@@ -0,0 +1,169 @@
+name: Dual smartplug
+products:
+  - id: p2tjkvgdhvuadnlj
+    manufacturer: Gosund
+    model: SP211
+entities:
+  - entity: switch
+    translation_key: outlet_x
+    translation_placeholders:
+      x: "1"
+    class: outlet
+    dps:
+      - id: 1
+        type: boolean
+        name: switch
+  - entity: switch
+    translation_key: outlet_x
+    translation_placeholders:
+      x: "2"
+    class: outlet
+    dps:
+      - id: 2
+        type: boolean
+        name: switch
+  - entity: time
+    category: config
+    translation_key: timer_x
+    translation_placeholders:
+      x: "1"
+    dps:
+      - id: 9
+        type: integer
+        name: second
+        range:
+          min: 0
+          max: 86400
+  - entity: time
+    category: config
+    translation_key: timer_x
+    translation_placeholders:
+      x: "2"
+    dps:
+      - id: 10
+        type: integer
+        name: second
+        range:
+          min: 0
+          max: 86400
+  - entity: sensor
+    class: current
+    category: diagnostic
+    dps:
+      - id: 18
+        type: integer
+        name: sensor
+        unit: mA
+        class: measurement
+      - id: 23
+        type: integer
+        name: calibration
+        optional: true
+  - entity: sensor
+    class: power
+    category: diagnostic
+    dps:
+      - id: 19
+        type: integer
+        name: sensor
+        unit: W
+        class: measurement
+        mapping:
+          - scale: 10
+      - id: 24
+        type: integer
+        name: calibration
+        optional: true
+      - id: 17
+        type: integer
+        name: add_ele
+        optional: true
+        mapping:
+          - scale: 1000
+      - id: 25
+        type: integer
+        name: ele_calibration
+        optional: true
+  - entity: sensor
+    class: voltage
+    category: diagnostic
+    dps:
+      - id: 20
+        type: integer
+        name: sensor
+        unit: V
+        class: measurement
+        mapping:
+          - scale: 10
+      - id: 22
+        type: integer
+        name: calibration
+        optional: true
+  - entity: select
+    translation_key: initial_state
+    category: config
+    dps:
+      - id: 38
+        type: string
+        name: option
+        optional: true
+        mapping:
+          - dps_val: "0"
+            value: "off"
+          - dps_val: "1"
+            value: "on"
+          - dps_val: "2"
+            value: memory
+  - entity: select
+    translation_key: light_mode
+    category: config
+    dps:
+      - id: 39
+        type: string
+        name: option
+        optional: true
+        mapping:
+          - dps_val: relay
+            value: state
+          - dps_val: pos
+            value: locator
+          - dps_val: none
+            value: "off"
+  - entity: lock
+    translation_key: child_lock
+    category: config
+    dps:
+      - id: 40
+        type: boolean
+        name: lock
+        optional: true
+  - entity: text
+    name: Schedule
+    icon: "mdi:calendar-clock"
+    category: config
+    hidden: true
+    dps:
+      - id: 41
+        type: base64
+        name: value
+        optional: true
+  - entity: text
+    name: Random schedule
+    icon: "mdi:island"
+    category: config
+    hidden: true
+    dps:
+      - id: 42
+        type: base64
+        name: value
+        optional: true
+  - entity: text
+    name: Inching
+    icon: "mdi:timer-refresh"
+    category: config
+    hidden: true
+    dps:
+      - id: 43
+        type: string
+        name: value
+        optional: true