feat: add fulscreen mode, dark mode

spa/src/main.js

@@ -1,8 +1,27 @@
 import { createApp } from 'vue'
 import App from './App.vue'
 import './style.css'
+import { VueTelegramPlugin } from 'vue-tg';
 
-createApp(App).mount('#app')
 
-const tg = window.Telegram.WebApp;
+const app = createApp(App);
+app.use(VueTelegramPlugin);
+app.mount('#app');
+
+import { useMiniApp, useTheme, onThemeChanged } from 'vue-tg';
+
+const theme = useTheme();
+const tg = useMiniApp();
+
+
+
+onThemeChanged(() => {
+    // handle theme update
+})
+
+theme.onChange(() => {
+    document.documentElement.setAttribute('data-theme', theme.colorScheme.value);
+});
+
+document.documentElement.setAttribute('data-theme', theme.colorScheme.value);
 tg.ready();