Update Program.cs

- Added more comments to make it easier to understand for beginners
- Updated the first displayed message

Discord Cache Viewer/Program.cs

@@ -11,10 +11,13 @@ namespace Discord_Cache_Viewer
         /// </summary>
         public static async Task Main()
         {
-            Console.WriteLine("Please enter the Discord cache path");
+            Console.WriteLine("Please enter the Discord cache path down below:");
+            // Begin the processing after a new console line has been received from the user
             begin_processing(Console.ReadLine());
             Console.WriteLine("Processed all files, closing in 10 seconds");
+            // Wait 10,000ms (10s)
             await Task.Delay(10000);
+            // Collect the garbage and close
             GC.Collect();
             Environment.Exit(0);
         }
@@ -25,17 +28,22 @@ namespace Discord_Cache_Viewer
         /// <param name="path">The cache folder path.</param>
         private static void begin_processing(string path)
         {
+            // Get all file paths
             var files = Directory.GetFiles(path);
+            // Constants for more efficient memory management
             const string header = "PNG", extension = ".png";
             const ushort index = 0;
             for (short i = 0; i < files.Length; i++) // UShort has a greater max length than a signed Short.
             {
+                // Cache the file path
                 var filePath = files[i];
                 // We only have to read the first line and check if it has the PNG header.
+                // This also saves some processing time, as we don't have to check the entire file for "PNG", and it reduces false positives.
                 if (File.ReadAllLines(filePath)[index].Contains(header))
                     Console.WriteLine($"{filePath} - Added .png extension");
+                // "Move" => "Rename", alright then Microsoft.
                 File.Move(filePath, filePath + extension);
             }
         }
     }
-}
+}