:sparkles: add ToolButtonDiscussion

dashboard/src/pages/library/article/show.tsx

@@ -12,6 +12,7 @@ import MainMenu from "../../../components/article/MainMenu";
 import ModeSwitch from "../../../components/article/ModeSwitch";
 import RightPanel, { TPanelName } from "../../../components/article/RightPanel";
 import RightToolsSwitch from "../../../components/article/RightToolsSwitch";
+import ToolButtonDiscussion from "../../../components/article/ToolButtonDiscussion";
 import ToolButtonPr from "../../../components/article/ToolButtonPr";
 import ToolButtonSearch from "../../../components/article/ToolButtonSearch";
 import ToolButtonSetting from "../../../components/article/ToolButtonSetting";
@@ -88,6 +89,7 @@ const Widget = () => {
                 <ToolButtonToc type={type} articleId={id} />
                 <ToolButtonTag type={type} articleId={id} />
                 <ToolButtonPr type={type} articleId={id} />
+                <ToolButtonDiscussion type={type} articleId={id} />
                 <ToolButtonSearch type={type} articleId={id} />
                 <ToolButtonSetting type={type} articleId={id} />
               </Space>