Add zxcvbn as remote
Squashed 'js/zxcvbn/' content from commit cae1535

git-subtree-dir: js/zxcvbn
git-subtree-split: cae15350c2ea137d9f2a4e9e87618717f9dfe728
Merge commit '0aa6e9e501ee74638cb8740454eeca52c80b7a1e' as 'js/zxcvbn'