Add notebooks and update scripts for PINACLES simulations. (FlexTRKR#111)

* Updates to scripts for cloud-tracking with PINACLES simulations.

* Added notebooks to create synthetic clouds and to plot tracks in idealized and global MCSs.

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Co-authored-by: Laura Paccini <laura.paccini@pnnl.gov>
Co-authored-by: Laura Paccini <laurapaccini@gmail.com>
Co-authored-by: Mark Muetzelfeldt <markmuetz@gmail.com>

Author: laurapaccini