Add polygon1

[tmigot]

#118

[codecov]

Codecov Report

Merging #156 (1ca8bdc) into main (2df224a) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #156   +/-   ##
=======================================
  Coverage   99.57%   99.58%           
=======================================
  Files         694      697    +3     
  Lines        5937     5966   +29     
=======================================
+ Hits         5912     5941   +29     
  Misses         25       25           

Impacted Files	Coverage Δ
src/ADNLPProblems/polygon1.jl	100.00% <100.00%> (ø)
src/Meta/polygon1.jl	100.00% <100.00%> (ø)
src/PureJuMP/polygon1.jl	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2df224a...1ca8bdc. Read the comment docs.