Add ROIS for detectors
<group NX_class="NXcollection" groupName="rois" ESRF_description="Names and parameters describing the ROIs applied">
<name NAPItype="NX_CHAR">${InstrumentDetector01Rois_name}</name>
<value NAPItype="NX_CHAR" ESRF_description="Parameters defining the ROI. Format: R1P1,R1P2 R2P1,R2P2 ... RnP1,RnP2">${InstrumentDetector01Rois_value}</value>
</group>