Add readlines() to commandline_hello to keep terminal open on Windows

Author: NHDaly

examples/commandline_hello.jl

@@ -2,7 +2,12 @@
 # Build this with the `commandline_app=true` flag in `BuildApp.build_app_bundle`.
 
 Base.@ccallable function julia_main(ARGS::Vector{String})::Cint
-    println("Oh hi, World!")
-    println("Current working directory: $(pwd())")
+    println("Hi what's your name?")
+    name = readline()
+    println("Oh hi, $name\! It's a pleasure to meet you.")
+    println("By the way, here's the current working directory:\n'$(pwd())'")
+
+    println("\nGoodbye! (Press enter to exit)")
+    readline()
     return 0
 end