Add support for Siemens physlogs

[slugtmeijer]

Function added to include physiological measures from a Siemens scanner. This takes into account different sampling rates for the different measures and that physiological might have been started manually so have different start/end times. By default is uses the dicom file to get the start trigger time of the aquisition.

Closes #

Proposed Changes

Change Type

• bugfix (+0.0.1)
• minor (+0.1.0)
• major (+1.0.0)
• refactoring (no version update)
• test (no version update)
• infrastructure (no version update)
• documentation (no version update)
• other

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