Alex Stout

Update CORS policy behavior description

2

This change updates the docs to reflect the actual behavior of Azure. If there is another CORS entry, then the wildcard `*` is ignored.

Add check to see if solvable

2

For n-puzzles you can check to see if the puzzle is actually solvable by seeing the inversions. It depends on a few things but here's the article: https://www.geeksforgeeks.org/check-instance-8-puzzle-solvable/