Add device: SONOFF - SNZB-02WD (#4697)

Co-authored-by: buckmanc <13460125+buckmanc@users.noreply.github.com>

Author: github-actions[bot]

library/library.json

@@ -12606,6 +12606,11 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "SONOFF",
+            "model": "SNZB-02WD",
+            "battery_type": "CR2477"
         }
     ]
 }