Elements.Various.UIUserCard

Updatable via app events system. Event name is `usercard-${id}:update`, data format {username:string, role:string}

string       [id = "userCard"]
string       [image = "https://bulma.io/images/placeholders/32x32.png"]
string       [username = "John Doe"]
string       [role = "admin"]
object       [events = {}]
function     [register = notCommon.registerWidgetEvents] - register event handlers
function     [onUpdate = (data)=> {username=data.username; role = data.role;}]