Add support for Gaqqee KWS-302WF energy meter

Issue #2257

ACKNOWLEDGEMENTS.md

@@ -661,3 +661,4 @@ Further device support has been made with the assistance of users. Please consid
 - [vrolijkj2](https://github.com/vrolijkj2) for contributing support for FlinQ Breeze fan.
 - [mat1990dj](https://github.com/mat1990dj) for contributing support for Nine EV charger.
 - [bramhoosemans](https://github.com/bramhoosemans) for contributing support for Duux Bright air purifier.
+- [alexps70](https://github.com/alexps70) for assisting with support for Gaqqee KWS-302-WF energy meter.

DEVICES.md

@@ -376,6 +376,7 @@
 - EARU SW RCB breaker
 - eMylo EAI-90 smart meter
 - ERZ04C smart meter
+- Gaqqee KWS-302-WF energy meter
 - MatSee Plus bidirectional two channel clamp meter
 - Meterk single phase clamp meter
 - Parkside PG/PMW-300 solar inverter

custom_components/tuya_local/devices/gaqqee_kws302wf_energymeter.yaml

@@ -0,0 +1,244 @@
+name: Energy meter
+products:
+  - id: tadm13agjigbdtxd
+    name: Gaqqee KWS-302-WF
+primary_entity:
+  entity: sensor
+  class: energy
+  dps:
+    - id: 105
+      type: integer
+      name: sensor
+      unit: kWh
+      class: total_increasing
+    - id: 116
+      type: string
+      name: state_flag
+    - id: 117
+      type: string
+      name: flag_save
+      optional: true
+    - id: 123
+      type: integer
+      name: add_ele
+      optional: true
+secondary_entities:
+  - entity: switch
+    category: config
+    dps:
+      - id: 16
+        type: boolean
+        name: switch
+  - entity: sensor
+    class: voltage
+    category: diagnostic
+    dps:
+      - id: 101
+        type: integer
+        name: sensor
+        unit: V
+        class: measurement
+        mapping:
+          - scale: 10
+  - entity: sensor
+    class: current
+    category: diagnostic
+    dps:
+      - id: 102
+        type: integer
+        name: sensor
+        unit: A
+        class: measurement
+        mapping:
+          - scale: 1000
+  - entity: sensor
+    class: power
+    category: diagnostic
+    dps:
+      - id: 103
+        type: integer
+        name: sensor
+        unit: W
+        class: measurement
+  - entity: sensor
+    class: duration
+    category: diagnostic
+    dps:
+      - id: 104
+        type: integer
+        name: sensor
+        unit: min
+        class: measurement
+  - entity: sensor
+    class: power_factor
+    category: diagnostic
+    dps:
+      - id: 106
+        type: integer
+        name: sensor
+        unit: "%"
+        class: measurement
+  - entity: sensor
+    class: frequency
+    category: diagnostic
+    dps:
+      - id: 107
+        type: integer
+        name: sensor
+        unit: Hz
+        class: measurement
+  - entity: sensor
+    class: temperature
+    category: diagnostic
+    dps:
+      - id: 108
+        type: integer
+        name: sensor
+        unit: C
+        class: measurement
+  - entity: number
+    name: Low voltage
+    category: config
+    class: voltage
+    dps:
+      - id: 109
+        type: integer
+        name: value
+        unit: V
+        range:
+          min: 100
+          max: 220
+  - entity: number
+    name: Overvoltage
+    class: voltage
+    category: config
+    dps:
+      - id: 110
+        type: integer
+        name: value
+        unit: V
+        range:
+          min: 130
+          max: 290
+  - entity: number
+    name: Overcurrent
+    category: config
+    class: current
+    dps:
+      - id: 111
+        type: integer
+        name: value
+        unit: A
+        range:
+          min: 0
+          max: 100000
+        mapping:
+          - scale: 1000
+  - entity: number
+    name: Power off time
+    category: config
+    translation_key: timer
+    dps:
+      - id: 112
+        type: integer
+        name: value
+        optional: true
+        unit: min
+        range:
+          min: 0
+          max: 60000
+        mapping:
+          - step: 30
+  - entity: number
+    name: Over energy
+    category: config
+    class: energy
+    dps:
+      - id: 113
+        type: integer
+        name: value
+        unit: kWh
+        range:
+          min: 0
+          max: 99999999
+        mapping:
+          - scale: 1000
+  - entity: number
+    name: Over power
+    category: config
+    class: power
+    dps:
+      - id: 114
+        type: integer
+        name: value
+        unit: kW
+        range:
+          min: 0
+          max: 22000
+        mapping:
+          - scale: 1000
+  - entity: number
+    name: Over temperature
+    category: config
+    class: temperature
+    dps:
+      - id: 115
+        type: integer
+        name: value
+        unit: C
+        range:
+          min: -20
+          max: 150
+  - entity: button
+    name: Clear flag
+    category: config
+    dps:
+      - id: 118
+        type: boolean
+        name: button
+        optional: true
+  - entity: number
+    translation_key: timer
+    name: Screen timeout
+    category: config
+    icon: "mdi:television-ambient-light"
+    dps:
+      - id: 119
+        type: integer
+        name: value
+        unit: min
+        range:
+          min: 0
+          max: 59
+  - entity: button
+    name: Factory reset
+    class: restart
+    category: config
+    dps:
+      - id: 120
+        type: boolean
+        name: button
+        optional: true
+  - entity: number
+    translation_key: timer
+    category: config
+    dps:
+      - id: 121
+        type: integer
+        name: value
+        optional: true
+        unit: min
+        range:
+          min: 0
+          max: 86400
+        mapping:
+          - scale: 60
+            step: 60
+  - entity: switch
+    name: Schedule
+    category: config
+    dps:
+      - id: 122
+        type: boolean
+        name: switch
+        optional: true