Add log widget to general service root (#9393)

docs/en/changes/changes.md

@@ -54,6 +54,7 @@
 * Fix event widget incompatibility in Safari.
 * Refactor the tags component to support searching for tag keys and values.
 * Implement the log widget and the trace widget associate with each other, remove log tables on the trace widget.
+* Add log widget to general service root.
 
 #### Documentation
 

oap-server/server-starter/src/main/resources/ui-initialized-templates/general/general-root.json

@@ -226,6 +226,19 @@
                   "moved": false
                 }
               ]
+            },
+            {
+              "name": "Log",
+              "children": [
+                {
+                  "x": 0,
+                  "y": 0,
+                  "w": 24,
+                  "h": 48,
+                  "i": "0",
+                  "type": "Log"
+                }
+              ]
             }
           ],
           "moved": false