Add option to plot axis position to plot_boundaries

[f0uriest]

Resolves #787

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.10%. Comparing base (50e805d) to head (3ec9e21).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #919   +/-   ##
=======================================
  Coverage   95.10%   95.10%           
=======================================
  Files          83       83           
  Lines       20980    20986    +6     
=======================================
+ Hits        19953    19959    +6     
  Misses       1027     1027           

Files	Coverage Δ
desc/plotting.py	89.39% <100.00%> (+0.04%)	⬆️

[github-actions]

|             benchmark_name             |         dt(%)          |         dt(s)          |        t_new(s)        |        t_old(s)        | 
| -------------------------------------- | ---------------------- | ---------------------- | ---------------------- | ---------------------- |
 test_build_transform_fft_lowres         |     +0.41 +/- 1.17     | +5.18e-05 +/- 1.48e-04 |  1.26e-02 +/- 1.2e-04  |  1.26e-02 +/- 8.8e-05  |
 test_build_transform_fft_midres         |     +0.83 +/- 0.92     | +7.66e-04 +/- 8.47e-04 |  9.32e-02 +/- 6.5e-04  |  9.24e-02 +/- 5.4e-04  |
 test_build_transform_fft_highres        |     +0.42 +/- 0.85     | +1.94e-03 +/- 3.95e-03 |  4.67e-01 +/- 3.3e-03  |  4.65e-01 +/- 2.1e-03  |
 test_equilibrium_init_lowres            |     +0.25 +/- 1.09     | +1.01e-03 +/- 4.47e-03 |  4.11e-01 +/- 4.0e-03  |  4.10e-01 +/- 2.1e-03  |
 test_equilibrium_init_medres            |     +1.67 +/- 1.77     | +1.27e-02 +/- 1.35e-02 |  7.75e-01 +/- 1.1e-02  |  7.62e-01 +/- 7.7e-03  |
 test_equilibrium_init_highres           |     +0.64 +/- 1.18     | +1.48e-02 +/- 2.72e-02 |  2.33e+00 +/- 1.9e-02  |  2.31e+00 +/- 1.9e-02  |
 test_objective_compile_dshape_current   |     +3.27 +/- 2.55     | +1.48e-01 +/- 1.15e-01 |  4.68e+00 +/- 1.1e-01  |  4.53e+00 +/- 3.1e-02  |
 test_objective_compile_atf              |     +2.51 +/- 2.24     | +2.29e-01 +/- 2.04e-01 |  9.33e+00 +/- 1.5e-01  |  9.10e+00 +/- 1.4e-01  |
 test_objective_compute_dshape_current   |     +0.84 +/- 2.37     | +5.82e-05 +/- 1.63e-04 |  6.95e-03 +/- 1.5e-04  |  6.89e-03 +/- 7.3e-05  |
 test_objective_compute_atf              |     +1.30 +/- 3.83     | +1.81e-04 +/- 5.31e-04 |  1.40e-02 +/- 5.2e-04  |  1.39e-02 +/- 1.2e-04  |
 test_objective_jac_dshape_current       |     +3.77 +/- 7.99     | +1.76e-03 +/- 3.73e-03 |  4.84e-02 +/- 2.2e-03  |  4.67e-02 +/- 3.0e-03  |
 test_objective_jac_atf                  |     +0.50 +/- 3.95     | +9.97e-03 +/- 7.94e-02 |  2.02e+00 +/- 5.5e-02  |  2.01e+00 +/- 5.7e-02  |
 test_perturb_1                          |     +0.35 +/- 5.78     | +4.77e-02 +/- 7.91e-01 |  1.37e+01 +/- 1.8e-01  |  1.37e+01 +/- 7.7e-01  |
 test_perturb_2                          |     -1.23 +/- 4.33     | -2.44e-01 +/- 8.57e-01 |  1.96e+01 +/- 2.4e-01  |  1.98e+01 +/- 8.2e-01  |
 test_proximal_jac_atf                   |     -2.08 +/- 1.53     | -1.42e-01 +/- 1.05e-01 |  6.72e+00 +/- 6.6e-02  |  6.86e+00 +/- 8.1e-02  |
+test_proximal_freeb_compute             |     -1.81 +/- 0.53     | -2.24e-03 +/- 6.54e-04 |  1.22e-01 +/- 5.3e-04  |  1.24e-01 +/- 3.8e-04  |
 test_proximal_freeb_jac                 |     -3.20 +/- 2.11     | -2.64e-01 +/- 1.75e-01 |  8.01e+00 +/- 5.8e-02  |  8.28e+00 +/- 1.7e-01  |