Add label list panel

source/Panel/LabelList/LabelList.scss

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+
+div.label-list-command-bar {
+    width: 100%;
+    height: 30px;
+    flex-shrink: 0;
+    display: flex;
+
+    div.command-item {
+        width: 30px;
+        height: 100%;
+        display: flex;
+        flex-shrink: 0;
+        justify-content: center;
+        align-items: center;
+        user-select: none;
+        cursor: pointer;
+    }
+}

source/Panel/LabelList/LabelList.tsx

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+import { Theme } from "@Component/Theme/Theme";
+import { Component } from "react";
+import "./LabelList.scss";
+
+interface ILabelListProps {
+
+}
+
+class LabelList extends Component<ILabelListProps> {
+    
+    public render() {
+        return <Theme>LabelList</Theme>
+    }
+}
+
+export { LabelList };

source/Panel/LabelList/LabelListCommand.tsx

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+import { BackgroundLevel, FontLevel, Theme } from "@Component/Theme/Theme";
+import { Icon } from "@fluentui/react";
+import { Component } from "react";
+import "./LabelList.scss";
+
+interface ILabelListCommandProps {}
+
+class LabelListCommand extends Component<ILabelListCommandProps> {
+    
+    public render() {
+        return <Theme
+            className="label-list-command-bar"
+            backgroundLevel={BackgroundLevel.Level4}
+            fontLevel={FontLevel.normal}
+        >
+            <div className="command-item">
+                <Icon iconName="Tag"></Icon>
+            </div>
+        </Theme>
+    }
+}
+
+export { LabelListCommand };