feat: Add 'calculated at' for Insight

pyhomelink/insight.py

@@ -43,6 +43,11 @@ def location(self) -> str:
         """Return the location of the Insight"""
         return self._raw_data.get("location", None)
 
+    @property
+    def calculatedat(self) -> str:
+        """Return the datetime of the Insight calculation"""
+        return self._raw_data.get("calculatedAt", None)
+
     @property
     def rel(self) -> any:
         """Return the tags of the Insight"""