feat: Text check before synchronization (#689)

* fix: icon

* fix: web selector

* fix: web selector

* perf: link sync

* dev doc

* chomd doc

* perf: git intro

* 466 intro

* intro img

* add json editor (#5)

* team limit

* websync limit

* json editor

* text editor

* perf: search test

* change cq value type

* doc

* intro img

---------

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

projects/app/public/locales/en/common.json

@@ -410,6 +410,7 @@
           "Read Metadata": "Read Metadata",
           "Training Type": "Training Type",
           "Updatetime": "Update Time",
+          "Web page selector": "Web Selector",
           "metadata": "Metadata",
           "read source": "Read Source",
           "source": "Source",
@@ -420,6 +421,12 @@
           "active": "Ready",
           "syncing": "Syncing"
         },
+        "sync": {
+          "result": {
+            "sameRaw": "The content has not changed and no update is required.",
+            "success": "Start synchronization"
+          }
+        },
         "training": {
           "type chunk": "Chunk",
           "type manual": "Manual",