edits for eixport JOSS review

[jhollist]

Mostly editorial suggestions in documentation of the various functions/data

[codecov]

Codecov Report

Merging #21 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master     #21   +/-   ##
======================================
  Coverage    5.23%   5.23%           
======================================
  Files           9       9           
  Lines         630     630           
======================================
  Hits           33      33           
  Misses        597     597

Impacted Files	Coverage Δ
R/to_wrf.R	0% <ø> (ø)	⬆️
R/wrf_profile.R	0% <ø> (ø)	⬆️
R/to_rline.R	52.38% <ø> (ø)	⬆️
R/to_brams_spm.R	0% <ø> (ø)	⬆️
R/wrf_get.R	0% <ø> (ø)	⬆️
R/wrf_grid.R	0% <ø> (ø)	⬆️
R/wrf_plot.R	0% <ø> (ø)	⬆️
R/wrf_create.R	0% <ø> (ø)	⬆️

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