feat(menu): primera versió del menú de servei

data/locale/en.yaml

@@ -20,3 +20,43 @@ input:
   scaling_overscan: "scaling: overscan"
   scaling_integer: "scaling: integer"
   press_again_exit: "press again to exit"
+
+menu:
+  titles:
+    root: "Service menu"
+    video: "Video"
+    audio: "Audio"
+    system: "System"
+  items:
+    video_submenu: "Video"
+    audio_submenu: "Audio"
+    system_submenu: "System"
+    zoom: "Zoom"
+    screen: "Fullscreen"
+    vsync: "VSync"
+    scaling_mode: "Scaling"
+    shader: "Shader"
+    shader_type: "Shader type"
+    preset: "Preset"
+    render_info: "Render info"
+    uptime: "Show time"
+    master_enable: "Audio"
+    master_volume: "Master volume"
+    music: "Music"
+    music_volume: "Music volume"
+    sounds: "Sounds"
+    sounds_volume: "Sound volume"
+    restart: "Restart"
+    exit_game: "Exit game"
+  values:
+    on: "On"
+    off: "Off"
+    submenu_arrow: ">"
+    scaling_disabled: "Off"
+    scaling_stretch: "Stretch"
+    scaling_letterbox: "Letterbox"
+    scaling_overscan: "Overscan"
+    scaling_integer: "Integer"
+    render_info_off: "Off"
+    render_info_top: "Top"
+    render_info_bottom: "Bottom"