Add device: SONOFF - SNZB-04PR2 (#4502)

Author: github-actions[bot]

library/library.json

@@ -12123,6 +12123,12 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "SONOFF",
+            "model": "SNZB-04PR2",
+            "battery_type": "AAA",
+            "battery_quantity": 2
         }
     ]
 }