SPATZ migration + proper directory structure

spatz/sensors/compound.py

@@ -0,0 +1,22 @@
+import numpy as np
+
+from typing import List
+from numpy.typing import ArrayLike
+
+from sensor import Sensor
+from spatz.dataset import Dataset, List
+from spatz.logger import Logger
+from spatz.transforms import Transform
+
+
+class CompoundSensor(Sensor):
+    def __init__(self, dataset: Dataset, logger: Logger, sensors: List[Sensor], transforms: List[Transform] = []):
+        super().__init__(dataset, logger, transforms)
+
+        self.__sensors = sensors
+
+    def _get_data(self) -> ArrayLike:
+        x = np.stack([sensor() for sensor in self.__sensors])
+        x = self._sensor_specific_effects(x)
+
+        return x