Add device: Thermoworks - rfx gateway (#4661)

Co-authored-by: dwengrovitz <24376291+dwengrovitz@users.noreply.github.com>

Author: github-actions[bot]

library/library.json

@@ -12488,6 +12488,11 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "Thermoworks",
+            "model": "rfx gateway",
+            "battery_type": "Rechargeable"
         }
     ]
 }