Clean up

Removing comments, some cleanup, and moving the startup code into Program.cs

Constants/DirectoryPaths.cs

@@ -1,6 +1,4 @@
-using System;
 using System.IO;
-using System.Runtime.InteropServices;
 
 namespace Icarus.Constants;
 

Constants/FileExtensions.cs

@@ -10,4 +10,4 @@ public class FileExtensions
 
     // Contains file extension with period at the beginning
     public static string JPG_EXTENSION = ".jpg";
-}
+}