Adds BOZ projections and images processing

• Adds BOZ processing function that reduce the ROIs to projection or images in addition to the default intensity.
• fix issue with bad pixel mask not applied on dark

doc/changelog.rst

@@ -28,6 +28,7 @@ unreleased
     - BOZ GPU notebook :mr:`294`
     - update hRIXS class for MaranaX :mr:`287`
     - introduce MaranaX class for parallelized centroiding :mr:`297`
+    - BOZ images and projection processing output :mr:`301`
 
 1.7.0
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