updates import of river-dl to use copied script instead of submodule
updates instructions for setup to (1) use mamba (quicker solve), (2) reflect that this will be a downloaded folder and not a github repo, and (3) eliminate the use of submodules
remove local user file paths
read in model run name from model config file for 04_model_analysis step to reduce manual entry
remove license because it is not needed for archive
move utils.py into fetch to keep root directory clean