feat: Turtle.Save() ( Fixes #105 )

Author: James Brundage

Types/Turtle/Save.ps1

@@ -0,0 +1,17 @@
+<#
+.SYNOPSIS
+    Saves the turtle.
+.DESCRIPTION
+    Saves the current turtle to a file.
+.LINK
+    Save-Turtle
+#>
+param(
+[string]
+$FilePath,
+
+[string]
+$Property
+)
+
+return $this | Save-Turtle $FilePath -Property $Property