Plot residuals of sync_model to enable check of model

plotSyncModelResids(sync_model, by = "overall")

Arguments

sync_model	Synchronization model obtained using `getSyncModel()`
by	What to facet/group the plot by? Currently supports one of 'overall', 'sync_tag', 'hydro', 'quantiles', 'temporal', 'temporal_hydro', 'temporal_sync_tag'