Expandable Cells in UITableView using Buttons (Continuation of Expandable Cell tutorial)

This is in continuation with Tutorial - How to Create a Expandable Cell in UITableView (https://youtu.be/LqHzHkuXRxQ) where i got request to create the same example by expanding it using Button and Navigation to another Screen.

Demo Available at:
https://github.com/quantumarun/Demos/tree/feature/ExpandTableCellSwift3_ButtonClick

Development Environment:
Xcode 8.2.1
Swift 3.0
macOS sierra - 10.12.1