add sample and test files

Author: futurejones

examples/swiftModules/today.swift

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+// a swift module file
+
+import Foundation
+
+public func printToday(){
+    let date = Date()
+    let dateFormatter = DateFormatter()
+
+    dateFormatter.dateStyle = .full
+    dateFormatter.timeStyle = .full
+
+    let dateString = dateFormatter.string(from: date as Date)
+    print("Welcome to Swift")
+    print("Today is \(dateString)")
+}

examples/swiftProjects/hellolib.swift

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+// a swift project file
+
+import Foundation
+import Today
+
+print("Hello World")
+printToday() // func from libToday library

examples/swiftProjects/hellomodule.swift

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+// a swift project file
+// include: today.swift
+
+import Foundation
+
+print("Hello World")
+
+printToday() // func from today.swift 

examples/swiftProjects/helloworld.swift

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+// a swift project file
+
+print("Hello World")

examples/test.sh

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+#!/bin/bash
+
+echo "Starting Test 1 - helloworld"
+echo
+pushd swiftProjects/ || exit
+echo "Building Test 1 - helloworld"
+echo
+swiftx build helloworld.swift
+echo "Running Test 1 - helloworld"
+echo
+./helloworld
+popd || exit
+echo "End Test 1 - helloworld"
+echo
+echo "Starting Test 2 - hellomodule"
+echo
+pushd swiftProjects/ || exit
+echo "Building Test 2 - hellomodule"
+echo
+swiftx build hellomodule.swift
+echo "Running Test 2 - hellomodule"
+echo
+./hellomodule
+popd || exit
+echo "End Test 2 - hellomodule"
+echo
+echo "Starting Test 3 - libToday"
+echo
+pushd swiftModules/ || exit
+echo "Building Test 3 - libToday"
+echo
+printf "today\n1.0.0\n" | swiftx create today.swift -p
+echo "Installing Test 3 - libToday"
+echo
+sudo apt install -y ./libToday_1.0.0.deb
+popd || exit
+echo "End Test 3 - libToday"
+echo
+echo "Starting Test 4 - hellolib"
+echo
+pushd swiftProjects/ || exit
+echo "Building Test 4 - hellolib"
+echo
+swiftx build hellolib.swift
+echo "Running Test 4 - hellolib"
+echo
+./hellolib
+popd || exit
+echo "End Test 4 - hellolib"
+echo
+echo "**** All Tests Completed ****"