feat: support edge tts

package.json

@@ -38,13 +38,14 @@
     "encoding": "^0.1.13",
     "epub2": "^3.0.2",
     "fuse.js": "^7.0.0",
-    "html-entities": "^2.4.0",
     "heic2any": "^0.0.4",
+    "html-entities": "^2.4.0",
     "html-to-image": "^1.11.11",
     "html-to-text": "^9.0.5",
     "https-proxy-agent": "^7.0.2",
     "langchain": "0.1.37",
     "mammoth": "^1.7.1",
+    "markdown-to-txt": "^2.0.1",
     "md5": "^2.3.0",
     "mermaid": "^10.6.1",
     "mime": "^4.0.1",