重构了translator，写了点数据库、后端api路由

src/lib/tts.ts

@@ -0,0 +1,16 @@
+import { ProsodyOptions } from "edge-tts-universal";
+import { EdgeTTS } from "edge-tts-universal/browser";
+
+export async function getTTSAudioUrl(
+  text: string,
+  short_name: string,
+  options: ProsodyOptions | undefined = undefined,
+) {
+  const tts = new EdgeTTS(text, short_name, options);
+  try {
+    const result = await tts.synthesize();
+    return URL.createObjectURL(result.audio);
+  } catch (e) {
+    throw e;
+  }
+}