Fixed typo in the README for the word 'example'
Fixed typo in the README for the word 'example'
raywenderlich/swift-algorithm-club,raywenderlich/swift-algorithm-club,hollance/swift-algorithm-club,jawwad/swift-algorithm-club,jawwad/swift-algorithm-club,raywenderlich/swift-algorithm-club,jawwad/swift-algorithm-club