message: Also document __init__
diff: @@ -10,26 +10,26 @@ Preprocessing
  -------------
  .. automodule:: gudhi.sktda.preprocessing
  :members:
  - :undoc-members:
  + :special-members:
  :show-inheritance:
  Vector methods
  --------------
  .. automodule:: gudhi.sktda.vector_methods
  :members:
  - :undoc-members:
  + :special-members:
  :show-inheritance:
  Kernel methods
  --------------
  .. automodule:: gudhi.sktda.kernel_methods
  :members:
  - :undoc-members:
  + :special-members:
  :show-inheritance:
  Metrics
  -------
  .. automodule:: gudhi.sktda.metrics
  :members:
  - :undoc-members:
  + :special-members:
  :show-inheritance:
  