Create figure templates

[joshuawe]

To make life easier and have a consistent style, we should introduce figure templates. These handle most of the layout and provide axes for which a metric function can perform its plotting on without worrying about the layout again and again.

This is simpler for singular plots compared to a figure with multiple plots.
So we should introduce classes as

class SinglePlotFigure():
  ...


class MultiplotFigure:
  def __init__():

  def get_axis():

  def tight_layout():

  def draw_figure():
    # All commands/settings that are required to finalize/draw the figure

For the multiple plots template the init function would require

MultiPlotFigure.__init__(num_plots: int, fig_title: bool, ...)

And then to get the axis when plotting multiple metrics:

for ax in MultiPlotFigure.get_axis():
  continue