Refactor: Move classes to separate files with one-liner namespace style

X86Disassembler/PE/ExportedFunction.cs

@@ -0,0 +1,23 @@
+namespace X86Disassembler.PE;
+
+/// <summary>
+/// Represents an exported function in a PE file
+/// </summary>
+public class ExportedFunction
+{
+    public string Name;           // Function name
+    public ushort Ordinal;        // Function ordinal
+    public uint Address;          // Function RVA
+    public bool IsForwarder;      // True if this is a forwarder
+    public string ForwarderName;  // Name of the forwarded function
+    
+    /// <summary>
+    /// Initializes a new instance of the ExportedFunction class
+    /// </summary>
+    public ExportedFunction()
+    {
+        // Initialize string fields to avoid nullability warnings
+        Name = string.Empty;
+        ForwarderName = string.Empty;
+    }
+}