Add device: PetSafe - SmartFeed_2.0 (#4298)

Author: github-actions[bot]

library/library.json

@@ -11609,6 +11609,12 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "PetSafe",
+            "model": "SmartFeed_2.0",
+            "battery_type": "D",
+            "battery_quantity": 4
         }
     ]
 }