Example of building Tab based navigation with Navigation controllers as root views.
Based on the tutorial at https://medium.com/@ITZDERR/uinavigationcontroller-and-uitabbarcontroller-programmatically-swift-3-d85a885a5fd0
Example of building Tab based navigation with Navigation controllers as root views.
Based on the tutorial at https://medium.com/@ITZDERR/uinavigationcontroller-and-uitabbarcontroller-programmatically-swift-3-d85a885a5fd0