feat: markdown extension (#3663)

* feat: markdown extension

* media cros

* rerank test

* default price

* perf: default model

* fix: cannot custom provider

* fix: default model select

* update bg

* perf: default model selector

* fix: usage export

* i18n

* fix: rerank

* update init extension

* perf: ip limit check

* doubao model order

* web default modle

* perf: tts selector

* perf: tts error

* qrcode package

packages/web/i18n/en/app.json

@@ -146,6 +146,9 @@
   "transition_to_workflow": "Convert to Workflow",
   "transition_to_workflow_create_new_placeholder": "Create a new app instead of modifying the current app",
   "transition_to_workflow_create_new_tip": "Once converted to a workflow, it cannot be reverted to simple mode. Please confirm!",
+  "tts_ai_model": "Use a speech synthesis model",
+  "tts_browser": "Browser's own (free)",
+  "tts_close": "Close",
   "type.All": "All",
   "type.Create http plugin tip": "Batch create plugins through OpenAPI Schema, compatible with GPTs format.",
   "type.Create one plugin tip": "Customizable input and output workflows, usually used to encapsulate reusable workflows.",