Add automatic interface with inner layer module using Glasser input quantities

[matt-pharr]

The current InnerLayer module has to be utilized as follows as of writing:

using GeneralizedPerturbedEquilibrium.InnerLayer

params = GGJParameters(;
      E    = -0.05,
      F    = -0.10,
      G    =  0.20,
      H    =  0.15,
      K    =  1.0,
      taua = 1.0e-6,
      taur = 1.0e-2,
      # M, v1, ising have defaults
)

# or using the default parameters in most Glasser papers:

params = glasser_wang_2020_eq55()

gamma = 1.0 + 1.0im   # complex growth rate (rad/s)

# Shooting solver
Delta_inner_LR = solve_inner(GGJModel(solver=:shooting), params, gamma)

# Or Galerkin solver (better, default)
Delta_inner_LR = solve_inner(GGJModel(), params, gamma)

We should automatically compute E, F, G, H, K, taua. Taur depends on resistivity and therefore #222. The combination of these two issues will enable the inner layer to run automatically with the rest of the code given profiles.