updated License format
updated License format

CosmicMind/GraphKit,CosmicMind/Graph,adamdahan/GraphKit,adamdahan/GraphKit,GraphKit/swift,CosmicMind/Graph,GraphKit/GraphKit,GraphKit/GraphKit,GraphKit/swift,GraphKit/GraphKit-swift,GraphKit/GraphKit-swift,NinjaIshere/GKGraphKit,CosmicMind/GraphKit