Add new MOS notebooks to TOC

Author: bhilbert4

_toc.yml

@@ -120,6 +120,12 @@ parts:
       title: MOS Optimal Extraction
     - file: notebooks/NIRSpec/mos_spectroscopy_advanced/MOSspec_advanced.ipynb
       title: MOS Spectroscopy of Extragalactic Field
+    - file: notebooks/NIRSpec/mos_master_background/Master_Background_MOS_Demo.ipynb
+      title: Master Background Subtraction for Multi-Object Spectroscopy (MOS)
+    - file: notebooks/NIRSpec/msa_metafile/NIRSpec_MOS_MSA_metafile.ipynb
+      title: NIRSpec MOS MSA Metafile
+    - file: notebooks/NIRSpec/mos_slits_to_sky/NIRSpec_MOS_slits_to_sky.ipynb
+      title: NIRSpec MOS Slits to Sky
     - file: notebooks/NIRSpec/transit_spectroscopy_notebook/Exoplanet_Transmission_Spectra_JWST.ipynb
       title: BOTS Time Series Observations
     - file: notebooks/NIRSpec/galaxy_redshift/redshift_fitting.ipynb