Fit a cluster nearby peaks starting from a seed table of chemical shifts

fit_peak_cluster(
  spec_list,
  cs_start,
  spec_ord,
  f_alpha_thresh = 0.001,
  omega0_plus = c(0.075, 0.75),
  r2_start = 5,
  r2_bounds = c(0.5, 20),
  sc_start = NULL,
  sc_bounds = c(0, Inf),
  plot_main_prefix = NULL,
  peak_num_offset = 0,
  plot_fit_stages = FALSE
)