Add copy QuickGuide file to custom file functionality.

WetPancakeCLI/ConsoleCommands.cs

@@ -44,6 +44,9 @@ namespace WetPancakeCLI
         "QuickGuide")]
         public static string QuickGuide(string filePath = "")
         {
+            // TODO Create cheat-sheet comand-method.
+            // TODO Rename cheat-sheet-pdf to quick-guide.
+            // TODO Add new cheat-sheet
             WriteLine("Attempting to write the Wet Pancake CLI Quick Guide...");
             try
             {
@@ -59,7 +62,8 @@ namespace WetPancakeCLI
                 }
                 else
                 {
-                    // TODO; Finish Quick Guide command-method.
+                    var customSavePath = $"{filePath}\\wet-pankcake-cheatsheet.pdf";
+                    File.Copy(cheatsheetPath, customSavePath, true);
                     if (!Directory.Exists(filePath)) throw new DirectoryNotFoundException();
                     return $"Quick Guide added to {filePath}";
                 }