Add minor change to convert_output arg defaults and format latin name in title

[Schiano-NOAA]

What is the feature?

*Set the output directory and save directory in the convert_output function to the working directory
*Estimate, uncertainty, and initial columns in the output data frame are now labelled as numeric
*Make latin species name in title italicized

How have you implemented the solution?

*change arguments
*add as.numeric to output df for respective columns
*add latex formatting fxn to template

Does the PR impact any other area of the project, maybe another repo?

*no

[github-actions]

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[sbreitbart-NOAA]

Only one comment about the Latex. Otherwise looks good!