Add language identification. (#153)

* Add language identification.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

default_config.yml

@@ -95,6 +95,8 @@ webui:
   share: false
   # 是否开启debug模式
   debug: false
+  # 语种识别库，可选langid, fastlid
+  language_identification_library: "langid"
 
 
 # server api配置