MasterWord: Add fullscreen option

Required allowing resizing. Perhaps an additional setting to allow
fullscreen, but not resizing? Anyhow, the game still plays well if
you can resize and works as expected.

Author: hughdavenport

Userland/Games/MasterWord/main.cpp

@@ -44,7 +44,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     window->set_icon(app_icon.bitmap_for_size(16));
     window->set_double_buffering_enabled(false);
     window->set_title("MasterWord");
-    window->set_resizable(false);
+    window->set_resizable(true);
     window->set_auto_shrink(true);
 
     auto main_widget = TRY(MasterWord::MainWidget::try_create());
@@ -127,6 +127,11 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     theme_actions.add_action(system_theme_action);
     theme_actions.add_action(wordle_theme_action);
 
+    auto view_menu = window->add_menu("&View"_string);
+    view_menu->add_action(GUI::CommonActions::make_fullscreen_action([&](auto&) {
+        window->set_fullscreen(!window->is_fullscreen());
+    }));
+
     auto help_menu = window->add_menu("&Help"_string);
     help_menu->add_action(GUI::CommonActions::make_command_palette_action(window));
     help_menu->add_action(GUI::CommonActions::make_help_action([](auto&) {