Add kwargs to profile_solvers

[tmigot]

This would allow things like

p = profile_solvers(stats, costs, costnames, legendfontsize = 12)

[codecov]

Codecov Report

Merging #116 (cae36ba) into main (574cfa9) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #116   +/-   ##
=======================================
  Coverage   77.27%   77.27%           
=======================================
  Files          12       12           
  Lines         308      308           
=======================================
  Hits          238      238           
  Misses         70       70           

Impacted Files	Coverage Δ
src/profiles.jl	100.00% <100.00%> (ø)

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[dpo]

Thank you.