Update device: SE812 by Everspring (#2090)

Author: github-actions[bot]

custom_components/battery_notes/data/library.json

@@ -6316,6 +6316,12 @@
             "manufacturer": "Zooz",
             "model": "ZSE44",
             "battery_type": "CR2450"
+        },
+        {
+            "manufacturer": "Everspring",
+            "model": "SE812",
+            "battery_type": "LR14",
+            "battery_quantity": 4
         }
     ]
 }