feat: init the status bar of workbench

src/workbench/statusBar/index.tsx

@@ -0,0 +1,15 @@
+import * as React from 'react';
+
+import { prefixClaName } from '@/common/className';
+
+import './statusBar.scss';
+
+export const StatusBar: React.FunctionComponent = function() {
+    return (
+        <div className={prefixClaName('statusBar')}>
+            StatusBar
+        </div>
+    );
+};
+
+export default StatusBar;

src/workbench/statusBar/statusBar.scss

@@ -0,0 +1,12 @@
+@import '@/style/const.scss';
+
+.#{$prefix}-statusBar {
+    position: absolute;
+    height: 22px;
+    width: 100%;
+    bottom: 0;
+    z-index: 1;
+    // TODO temp style, just for development
+    background-color: rgb(0, 122, 204);
+    color: rgb(255, 255, 255);
+}