Add device: iRobot - j755020 (#4218)

Co-authored-by: raetha <901995+raetha@users.noreply.github.com>
Co-authored-by: Andrew Jackson <andrew@codechimp.org>

Author: 3 people

library/library.json

@@ -11415,6 +11415,19 @@
             "manufacturer": "ZVIDAR",
             "model": "Z-CM-V01",
             "battery_type": "Rechargeable"
+        },
+        {
+            "manufacturer": "Centralite",
+            "model": "3-Series pearl touch thermostat",
+            "model_id": "3157100",
+            "hw_version": "3",
+            "battery_type": "AA",
+            "battery_quantity": 4
+        },
+        {
+            "manufacturer": "iRobot",
+            "model": "j755020",
+            "battery_type": "Rechargeable"
         }
     ]
 }