add remote page loading

src/layout.h

@@ -1,15 +1,4 @@
 #pragma once
-#include "shape.h"
-#include "util.h"
-#include "shader.h"
-#include "font.h"
-#include "asset.h"
-#include "rtt.h"
-#include "bezier.h"
-#include "canvas.h"
-#include "event.h"
-#include <tinyxml2.h>
-#include <yoga/Yoga.h>
 
 class LayoutManager
 {
@@ -23,6 +12,7 @@ public:
     void unload();
     void create();
     bool load(const char* path);
+    bool parse(const std::string& xml_string) noexcept;
     bool reload();
     class Node* operator[](uint16_t id) 
     {