chore(static): fix indent in component "Header"

Author: oldskytree

lib/static/components/header/index.js

@@ -8,24 +8,24 @@ import Summary from './summary';
 import './header.css';
 
 class Header extends Component {
-  static propTypes = {
-      date: PropTypes.string
-  };
+    static propTypes = {
+        date: PropTypes.string
+    };
 
-  render() {
-      const {date} = this.props;
+    render() {
+        const {date} = this.props;
 
-      const dateBlock = date ? (
-          <div className="header__date">created at {date}</div>
-      ) : null;
+        const dateBlock = date ? (
+            <div className="header__date">created at {date}</div>
+        ) : null;
 
-      return (
-          <header className="header container">
-              <Summary />
-              {dateBlock}
-          </header>
-      );
-  }
+        return (
+            <header className="header container">
+                <Summary />
+                {dateBlock}
+            </header>
+        );
+    }
 }
 
 export default connect((state) => {