🎨 Add newlines in nodes developer doc

Author: shnizzedy

docs/_sources/developer/nodes.rst

@@ -22,10 +22,12 @@ When a developer creates or modifies a Node in C-PAC, a ``mem_gb`` and ``n_procs
 
 For nodes that will use a varying amount of memory depending on the node's input data, the optional parameter ``mem_x`` takes a tuple of ``(memory multiplier, input file, multiplier mode)`` where ``memory multiplier`` is a number and ``input file`` is the string name of the Node input to multiply such that the memory estimate returned by the ``mem_gb`` attribute is the ``mem_gb`` argument plus ``memory multiplier`` times the dimensions of the ``input file`` as specified in the ``multiplier mode`` (``xyzt`` (spatial × temporal; default), ``xyz`` (spatial), or just ``t`` (temporal)).
 
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 .. note::
    ``mem_x`` is a new parameter in C-PAC v1.8.1 and subject to change in future releases as we continue to `develop methods for setting data- and operation-dependent memory estimates <https://github.com/FCP-INDI/C-PAC/issues/1509>`_.
 
 
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 .. autoclass:: CPAC.pipeline.nipype_pipeline_engine.Node
    :special-members: __init__
    :members:
@@ -41,10 +43,14 @@ For nodes that will use a varying amount of memory depending on the node's input
    :members:
    :inherited-members:
 
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 .. seealso::
 
    `Nipype: Interface Specifications <https://nipype.readthedocs.io/en/1.5.1/devel/interface_specs.html>`_
 
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 .. autoclass:: CPAC.utils.interfaces.function.Function
    :special-members: __init__
    :members: