Add device: RWE - WMD (#4457)

Co-authored-by: ElmarDorner <50025612+ElmarDorner@users.noreply.github.com>

Author: github-actions[bot]

library/library.json

@@ -12002,6 +12002,12 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "RWE",
+            "model": "WMD",
+            "battery_type": "AA",
+            "battery_quantity": 3
         }
     ]
 }