* Json completion (#16)

* json-completion

* fix duplicate

* fix

* fix: config json

* feat: query extension

* perf: i18n

* 468 doc

* json editor

* perf: doc

* perf: default extension model

* docker file

* doc

* perf: token count

* perf: search extension

* format

* perf: some constants data

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Co-authored-by: heheer <71265218+newfish-cmyk@users.noreply.github.com>