Add device: YoLink - COSmokeSensor (#4273)

Author: github-actions[bot]

library/library.json

@@ -11540,6 +11540,13 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "YoLink",
+            "model": "COSmokeSensor",
+            "model_id": "YS7A02-UC",
+            "battery_type": "AA",
+            "battery_quantity": 2
         }
     ]
 }