feat: add keyboard layout support

programs/src/desktop/main.cpp

@@ -405,6 +405,10 @@ void gui::desktop_init(DesktopState* ds) {
     ds->vol_output = montauk::audio_get_output(-1);
     ds->vol_bt_status = montauk::audio_bt_status(-1);
 
+    ds->keyboard = montauk::keyboard::load_user(ds->current_user);
+    ds->keyboard_layout_rect = {0, 0, 0, 0};
+    ds->keyboard_last_poll = montauk::get_milliseconds();
+
     ds->closing_ext_count = 0;
 
     ds->screen_locked = false;
@@ -813,6 +817,7 @@ void gui::desktop_run(DesktopState* ds) {
         }
 
         uint64_t now = montauk::get_milliseconds();
+        sceneChanged |= desktop_refresh_keyboard_layouts(ds, false);
         sceneChanged |= desktop_refresh_panel_state(ds, now);
 
         // Pick up any wallpaper buffer produced by a background loader.