Added lua exporting

Editor/LuaFileAssetEditor.cs

@@ -0,0 +1,15 @@
+using Splashedit.RuntimeCode;
+using UnityEditor;
+using UnityEngine;
+
+[CustomEditor(typeof(LuaFile))]
+public class LuaScriptAssetEditor : Editor
+{
+    public override void OnInspectorGUI()
+    {
+        LuaFile luaScriptAsset = (LuaFile)target;
+        
+        // Allow user to drag-and-drop the Lua file
+        luaScriptAsset.luaScript = (TextAsset)EditorGUILayout.ObjectField("Lua Script", luaScriptAsset.luaScript, typeof(TextAsset), false);
+    }
+}