Exceptions: added AutoRasterSampleSkipped for automation

src/aare/common/exception_handler.py

@@ -35,6 +35,10 @@ class RasterScanException(Exception):
         return self.message
 
 
+class AutoRasterSampleSkipped(Exception):
+    """Raised when automation should skip the current sample because auto-raster is too large."""
+
+
 class LoopCenteringFailed(Exception):
     def __init__(self, message: str = "Loop Centering did not detect a sample"):
         super().__init__(message)