feat: HelloWorld in TypeScript ( Fixes #846 )

    Also marking TypeScript as case-sensitive (re #815)

Commands/Languages/Ruby/Ruby-Template-HelloWorld.ps1

@@ -0,0 +1,24 @@
+
+function Template.HelloWorld.rb {
+
+    <#
+    .SYNOPSIS
+        Hello World in Ruby
+    .DESCRIPTION
+        A Template for Hello World, in Ruby.    
+    #>
+    param(
+    # The message to print.  By default, "hello world".
+    [Parameter(ValueFromPipelineByPropertyName)]
+    [string]
+    $Message = "hello world"
+    )
+    process {
+@"
+puts "$message"
+"@
+    }
+
+}
+
+