Add address property

Author: ilikecake

adafruit_ds18x20.py

@@ -155,3 +155,11 @@ def read_temperature(self) -> float:
         """Read the temperature. No polling of the conversion busy bit
         (assumes that the conversion has completed)."""
         return self._read_temp()
+        
+    @property
+    def address(self):
+        """Returns the address of the device. Might be useful if there are multiple sensors on
+        the bus.
+        
+        Note: this property is read only."""
+        return self._address