Add device: roborock - roborock.vacuum.a19 (#4019)

Author: github-actions[bot]

library/library.json

@@ -10954,6 +10954,11 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "roborock",
+            "model": "roborock.vacuum.a19",
+            "battery_type": "Rechargeable"
         }
     ]
 }