4.6.8-production (#822)

* 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

---------

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

projects/app/data/simpleTemplates/fastgpt-simple.json

@@ -10,9 +10,6 @@
       "quoteTemplate": false,
       "quotePrompt": false
     },
-    "cfr": {
-      "background": true
-    },
     "dataset": {
       "datasets": true,
       "similarity": false,