Add CITATION.cff

[tmigot]

@software{Migot_OptimizationProblems_jl_A_collection_2023,
author = {Migot, Tangi and Orban, Dominique and Soares Siqueira, Abel and contributors},
license = {MPL-2.0},
month = jul,
title = {{OptimizationProblems.jl: A collection of optimization problems in Julia}},
url = {https://github.com/JuliaSmoothOptimizers/OptimizationProblems.jl},
version = {0.7.3},
year = {2023}
}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c72caaf) 99.73% compared to head (74ba4f5) 99.73%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #320   +/-   ##
=======================================
  Coverage   99.73%   99.73%           
=======================================
  Files        1078     1078           
  Lines       12184    12184           
=======================================
  Hits        12152    12152           
  Misses         32       32           

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