Add device: Tuya - Soil sensor (#4771)

Co-authored-by: Dracxabi <11947547+Dracxabi@users.noreply.github.com>

Author: github-actions[bot]

library/library.json

@@ -12665,6 +12665,14 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "Tuya",
+            "model": "Soil sensor",
+            "model_id": "SGS02Z",
+            "hw_version": "1",
+            "battery_type": "AAA",
+            "battery_quantity": 2
         }
     ]
 }