feat(menu): submenú Controls i bloqueig de polling amb menú obert

data/locale/en.yaml

@@ -26,11 +26,24 @@ menu:
     root: "Service menu"
     video: "Video"
     audio: "Audio"
+    controls: "Controls"
+    keyboard: "Keyboard"
+    gamepad: "Gamepad"
     system: "System"
+  labels:
+    player_1: "Player 1"
+    gamepad_unavailable: "Not available"
   items:
     video_submenu: "Video"
     audio_submenu: "Audio"
+    controls_submenu: "Controls"
+    keyboard_submenu: "Keyboard"
+    gamepad_submenu: "Gamepad"
     system_submenu: "System"
+    move_up: "Up"
+    move_down: "Down"
+    move_left: "Left"
+    move_right: "Right"
     zoom: "Zoom"
     screen: "Fullscreen"
     vsync: "VSync"