tooltips, two-column timer, font selector, tray behavior, icons, readme

- Custom tooltip directive (WCAG AAA) on every button in the app
- Two-column timer layout with sticky hero and recent entries sidebar
- Timer font selector with 16 monospace Google Fonts and live preview
- UI font selector with 15+ Google Fonts
- Close-to-tray and minimize-to-tray settings
- New app icons (no-glow variants), platform icon set
- Mini timer pop-out window
- Favorites strip with drag-reorder and inline actions
- README with feature documentation
- Remove tracked files that belong in gitignore

src/mini-timer-entry.ts

@@ -0,0 +1,5 @@
+import { createApp } from 'vue'
+import MiniTimer from './views/MiniTimer.vue'
+import './styles/main.css'
+
+createApp(MiniTimer).mount('#app')