Add support for Emteco cover (similar to others, but missing DP's)

[fabianosan]

Please,

Is possible to add support for EMTECO cover?
The existent ones works (Loratap or Avatto), but missing some data points, like "Work State (opening/closing)" and "Control Back (back/forward)" that are important for some automations.

Describe the bug
The device works with Avatto or Loratap device configurations, but missing some DP's as described above

To Reproduce
Add the wi-fi device as an Avatto or Loratap courtain.

Expected behavior
Exactly the same as Loratap Courtain, but with two others datapoints decribed above.

If the bug involves a device, then please include device diagnostics from

Here is the device diagnostics from oficial Tuya integration:

"data": { "endpoint": "https://apigw.tuyaus.com", "terminal_id": "1716402957799BgeRIb", "mqtt_connected": true, "disabled_by": null, "disabled_polling": false, "id": "ebb7dd7bd2ba8d5d2dpslq", "name": "Persiana 1", "category": "cl", "product_id": "vnzp9ogouexa9asa", "product_name": "\u5965\u79d1\u5185\u7f6e\u7535\u673a", "online": true, "sub": false, "time_zone": "-03:00", "active_time": "2023-11-03T17:30:23+00:00", "create_time": "2023-11-03T17:30:23+00:00", "update_time": "2023-11-03T17:30:23+00:00", "function": { "control": { "type": "Enum", "value": { "range": [ "open", "stop", "close", "continue" ] } }, "control_back_mode": { "type": "Enum", "value": { "range": [ "forward", "back" ] } }, "click_control": { "type": "Enum", "value": { "range": [ "up", "down" ] } } }, "status_range": { "control": { "type": "Enum", "value": { "range": [ "open", "stop", "close", "continue" ] } }, "work_state": { "type": "Enum", "value": { "range": [ "opening", "closing" ] } }, "control_back_mode": { "type": "Enum", "value": { "range": [ "forward", "back" ] } }, "click_control": { "type": "Enum", "value": { "range": [ "up", "down" ] } } }, "status": { "control": "stop", "work_state": "opening", "control_back_mode": "back", "click_control": "up" }, "home_assistant": { "name": "Persiana 1", "name_by_user": "Persiana 1", "disabled": true, "disabled_by": "user", "entities": [ { "disabled": true, "disabled_by": "device", "entity_category": null, "device_class": "blind", "original_device_class": "curtain", "icon": "mdi:roller-shade", "original_icon": null, "unit_of_measurement": null, "state": null }, { "disabled": true, "disabled_by": "device", "entity_category": "config", "device_class": null, "original_device_class": null, "icon": null, "original_icon": null, "unit_of_measurement": null, "state": null } ] }, "set_up": true, "support_local": true }

Here is the diagnostics log from TuyaLocal integration:
"data": { "name": "Quarto 1Persiana", "type": "loratap_curtain_switch", "device_id": "**REDACTED**", "device_cid": "", "local_key": "**REDACTED**", "host": "**REDACTED**", "protocol_version": 3.3, "tinytuya_version": "1.13.2", "api_version_set": 3.3, "api_version_used": 3.3, "api_working": true, "status": {}, "cached_state": { "updated_at": 1717456328.3001184, "1": "open", "3": "opening", "11": "back", "15": "roller_blind", "101": false }, "pending_state": {}, "connected": true, "force_dps": [], "home_assistant": { "name": "Quarto 1Persiana", "name_by_user": null, "disabled": false, "disabled_by": null, "entities": [ { "disabled": false, "disabled_by": null, "entity_category": null, "device_class": null, "original_device_class": "blind", "icon": null, "unit_of_measurement": null, "state": { "entity_id": "cover.quarto_1_persiana_none", "state": "unknown", "attributes": { "device_class": "blind", "friendly_name": "Quarto 1 Persiana None", "supported_features": 11 }, "last_changed": "2024-06-03T23:11:27.179615+00:00", "last_reported": "2024-06-03T23:11:27.179615+00:00", "last_updated": "2024-06-03T23:11:27.179615+00:00" } } ] } }

The DataPoints missing is:

`Code: 11
Description: Control Back
Elements: back/forward

Code: 3
Description: Work State
Elements: opening/closing`

Thanks in advanced!