Added option for keyword arguments in the TardisSpectrum's plot method

[aribalam]

Description

This PR is a feature request to facilitate the option of adding keyword arguments to the plot function of the TardisSpectrum to provide more flexibility in plotting the spectrum using matplotlib.

Motivation and Context

The current implementation of the plot function of TardisSpectrum does not provide any flexibility in plotting the spectrums.

For example, using the Tardis Example setup, the spectrum plot in normal packet mode can be plotted using below code -

But in order to plot spectrums in different modes in the same figure with proper legends, the code is below -

With this feature, the code reduces down to -

Similarly, more customizations can be made to the plots this way, just by adding the required keyword arguments in the function the way it is done in matplotlib.

How Has This Been Tested?

• Testing pipeline
• Reference Data Comparison following these instructions
• Other (please describe)

Screenshots (if appropriate):

Given in Description

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• None of the above (please describe)

Checklist:

• My code follows the code style of this project
• My change requires a change to the documentation
• I have updated the documentation accordingly
• I have built the documentation on my fork following these instructions
• I have assigned and requested two reviewers for this pull request

[codecov]

Codecov Report

Merging #1477 (ec81d7c) into master (9497250) will not change coverage.
The diff coverage is n/a.

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  Coverage   71.13%   71.13%           
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  Files          67       67           
  Lines        5523     5523           
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  Hits         3929     3929           
  Misses       1594     1594           

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[aribalam]

@wkerzendorf @epassaro Could you review it please?

[marxwillia]

This is a good idea to add.

[epassaro]

probably this is on @jaladh-singhal side of the project

[jaladh-singhal]

@aribalam wow! very thoughtful 👍