Some optimization improvements. Potential memory leaks to look at. Many improvements in the preprocessing scripts, almost finished the parcel mode. New scripts in the prostprocessing directory. Changes in the samir parameter handling.

Added more input preparation functions for parcel mode, started writing a global input preparation script. Reused script from modspa for config file.

Finished ndvi extraction scripts. Added parcel mode to weather scripts. Wrote script to convert dataframes into xarray datasets for parcel mode.

Started working on modspa parcel mode. Rewrote pre-modspa functions for better integration to modspa pixel. Improved efficiency and simplicity at the same time.