gtts plugin, sounds better than opentts:ko

docs/.vitepress/theme/components/TTS.vue

@@ -46,7 +46,7 @@ async function playAudio() {
   if (navigator.platform === "Win32" || !(await playAudioTTSPlugin())) {
     if (!audioEl.value) return;
 
-    const url = new URL("http://localhost:5500/api/tts");
+    const url = new URL("/api/tts", location.origin);
     url.searchParams.set("voice", "glow-speak:ko_kss");
     url.searchParams.set("text", getMainText());