Updates to new package versions, some bugfixes, new features in spotpicker and tracer modules, new full chromosome decoding workflow

Updated environment specifications.
Updated README to describe CLI program functionality
Updated input options for cli functions
Updated SpotPicker with better background subtraction
Updated Tracer with a more robust fitting approach (fit_multi config option) for avoiding spurious outliers.
New full_chromosome_decode cli script for decoding spot-segment combinatorial full chromosome labeled data.
Recommend ZipStore option in config and cli scripts to avoid excessive number of zarr files, which is problematic on many file systems.