Swift C module for ncurses (Linux)

For details about using ncurses, see https://invisible-island.net/ncurses/.

Add a .Package dependency to your Package.swift file as shown in the following example:

import PackageDescription

let package = Package(
  name:  "myapp
  dependencies: [
    .Package(url:  "https://github.com/iachievedit/CNCURSES", majorVersion:1)
  ]
)

Install the development headers for libncurses5:

sudo apt-get install -y libncurses5-dev