Add device: WeatherFlow - Tempest (#4687)

Author: github-actions[bot]

library/library.json

@@ -12582,6 +12582,11 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "WeatherFlow",
+            "model": "Tempest",
+            "battery_type": "Rechargeable"
         }
     ]
 }