chore: initial padel scaffold + design docs

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

source/garmin-padelApp.mc

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+import Toybox.Application;
+import Toybox.Lang;
+import Toybox.WatchUi;
+
+class garmin_padelApp extends Application.AppBase {
+
+    function initialize() {
+        AppBase.initialize();
+    }
+
+    // onStart() is called on application start up
+    function onStart(state as Dictionary?) as Void {
+    }
+
+    // onStop() is called when your application is exiting
+    function onStop(state as Dictionary?) as Void {
+    }
+
+    // Return the initial view of your application here
+    function getInitialView() as [Views] or [Views, InputDelegates] {
+        return [ new garmin_padelView(), new garmin_padelDelegate() ];
+    }
+
+}
+
+function getApp() as garmin_padelApp {
+    return Application.getApp() as garmin_padelApp;
+}

source/garmin-padelDelegate.mc

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+import Toybox.Lang;
+import Toybox.WatchUi;
+
+class garmin_padelDelegate extends WatchUi.BehaviorDelegate {
+
+    function initialize() {
+        BehaviorDelegate.initialize();
+    }
+
+    function onMenu() as Boolean {
+        WatchUi.pushView(new Rez.Menus.MainMenu(), new garmin_padelMenuDelegate(), WatchUi.SLIDE_UP);
+        return true;
+    }
+
+}

source/garmin-padelMenuDelegate.mc

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+import Toybox.Lang;
+import Toybox.System;
+import Toybox.WatchUi;
+
+class garmin_padelMenuDelegate extends WatchUi.MenuInputDelegate {
+
+    function initialize() {
+        MenuInputDelegate.initialize();
+    }
+
+    function onMenuItem(item as Symbol) as Void {
+        if (item == :item_1) {
+            System.println("item 1");
+        } else if (item == :item_2) {
+            System.println("item 2");
+        }
+    }
+
+}

source/garmin-padelView.mc

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+import Toybox.Graphics;
+import Toybox.WatchUi;
+
+class garmin_padelView extends WatchUi.View {
+
+    function initialize() {
+        View.initialize();
+    }
+
+    // Load your resources here
+    function onLayout(dc as Dc) as Void {
+        setLayout(Rez.Layouts.MainLayout(dc));
+    }
+
+    // Called when this View is brought to the foreground. Restore
+    // the state of this View and prepare it to be shown. This includes
+    // loading resources into memory.
+    function onShow() as Void {
+    }
+
+    // Update the view
+    function onUpdate(dc as Dc) as Void {
+        // Call the parent onUpdate function to redraw the layout
+        View.onUpdate(dc);
+    }
+
+    // Called when this View is removed from the screen. Save the
+    // state of this View here. This includes freeing resources from
+    // memory.
+    function onHide() as Void {
+    }
+
+}