public init(size: CGFloat,
            borderColor: UIColor = .white,
            onlineBubbleColor: UIColor = PrivateConstants.onlineBubbleColor,
            enableOnlineBubble: Bool = true,
            isOnline: Bool = false)


public init(images: [UIImage?]?,
            size: CGFloat,
            borderColor: UIColor = .white,
            onlineBubbleColor: UIColor = PrivateConstants.onlineBubbleColor,
            enableOnlineBubble: Bool = true,
            isOnline: Bool = false)

public init(urls: [String?]?,
            size: CGFloat,
            borderColor: UIColor = .white,
            onlineBubbleColor: UIColor = PrivateConstants.onlineBubbleColor,
            enableOnlineBubble: Bool = true,
            isOnline: Bool = false)

MessengerBubbles(size: 60) // With size only

MessengerBubbles(size: 60, borderColor: .blue, 
                 onlineBubbleColor: .yellow,
                 enabledOnlineBubble: false,
                 isOnline: false) // With custom values

MessengerBubbles(images: images,
                 size: 60) // With an array of UIImage at initialization

MessengerBubbles(urls: urls,
                 size: 60) // With an array of String at initialization

public func setImages(with images: [UIImage?]?) // Set images with an array of UIImage
public func setImages(with urls: [String?]?) // Set images with an array of String

let bubble = MessengerBubbles(size: 60)
bubble.setImages(with: images)
//or
bubble.setImages(with: urls)

bubble.isOnline = true // or false
bubble.onlineBubbleColor = .black // or whatever you want