Add a helper to delete a folder

src/main/java/dev/zontreck/ariaslib/util/FileIO.java

@@ -1,5 +1,6 @@
 package dev.zontreck.ariaslib.util;
 
+import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
@@ -21,5 +22,30 @@ public class FileIO
         } catch (IOException e) {
         }
     }
+
+
+    /**
+     * Recursively delete a directory
+     * @param directory The folder to delete
+     */
+    public static void deleteDirectory(File directory) {
+        if (directory.exists()) {
+            File[] files = directory.listFiles();
+            if (files != null) {
+                for (File file : files) {
+                    if (file.isDirectory()) {
+                        deleteDirectory(file);
+                    } else {
+                        file.delete();
+                    }
+                }
+            }
+            // Now directory is empty, so delete it
+            directory.delete();
+            System.out.println("Directory deleted: " + directory.getAbsolutePath());
+        } else {
+            System.out.println("Directory does not exist: " + directory.getAbsolutePath());
+        }
+    }
 }