worlds menu added

res/layouts/pages/main.xml

@@ -1,7 +1,7 @@
 <panel size='400' color='0' interval='1' context='menu'>
+    <button onclick='menu.page="worlds"'>@Worlds</button>
     <button onclick='menu.page="new_world"'>@New World</button>
-    <panel id='worlds' size='390,1' padding='5' color='#FFFFFF11' max-length='400'>
-    </panel>
+    <label padding='5'></label>
     <button onclick='menu.page="settings"'>@Settings</button>
     <button onclick='menu.page="content_menu"'>@Contents Menu</button>
     <button onclick='core.quit()'>@Quit</button>

res/layouts/pages/worlds.xml

@@ -0,0 +1,6 @@
+<panel size='400' color='0' interval='1' context='menu'>
+    <panel id='worlds' size='390,1' padding='5' color='#FFFFFF11' max-length='400'>
+    </panel>
+    <button pos='485,525' size='500,40' onclick='core.open_folder("user:worlds")'>@Open worlds folder</button>
+    <button onclick='menu:back()'>@Back</button>
+</panel>

res/layouts/pages/worlds.xml.lua

@@ -0,0 +1,6 @@
+function on_open()
+    local worlds = world.get_list()
+    for _, info in ipairs(worlds) do
+        document.worlds:add(gui.template("world", info))
+    end
+end