Added UpdateTopline component

client/src/components/ui/UpdateTopline.js

@@ -0,0 +1,27 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Trans, withNamespaces } from 'react-i18next';
+
+import Topline from './Topline';
+
+const UpdateTopline = props => (
+    <Topline type="info">
+        <Trans
+            values={{ version: props.version }}
+            components={[
+                <a href={props.url} target="_blank" rel="noopener noreferrer" key="0">
+                    Click here
+                </a>,
+            ]}
+        >
+            update_announcement
+        </Trans>
+    </Topline>
+);
+
+UpdateTopline.propTypes = {
+    version: PropTypes.string.isRequired,
+    url: PropTypes.string.isRequired,
+};
+
+export default withNamespaces()(UpdateTopline);