Created Measurement class.

src/corchestrate/measurement.py

@@ -0,0 +1,18 @@
+from datetime import datetime
+
+
+class Measurement:
+
+    def __init__(self, measured_at: datetime):
+        self.measured_at: datetime = measured_at
+        self.heart_rate: float | None = None
+        self.speed: float | None = None
+        self.cadence: float | None = None
+        self.power: float | None = None
+        self.right_balance: float | None = None
+        self.respiration_rate: float | None = None
+        self.temperature: float | None = None
+        self.latitude: float | None = None
+        self.longitude: float | None = None
+        self.elevation: float | None = None
+        self.battery_percentage: float | None = None