update project script methods, replace project script with project client script

res/project_client.lua

@@ -1,13 +1,13 @@
 local menubg
 
-local function clear_menu()
+function on_menu_clear()
     if menubg then
         menubg:destruct()
         menubg = nil
     end
 end
 
-local function configure_menu()
+function on_menu_setup()
     local controller = {}
     function controller.resize_menu_bg()
         local w, h = unpack(gui.get_viewport())
@@ -24,11 +24,3 @@ local function configure_menu()
     controller.resize_menu_bg()
     menu.page = "main"
 end
-
-function on_screen_changed(screen)
-    if screen ~= "menu" then
-        clear_menu()
-    else
-        configure_menu()
-    end
-end