Add search component to overview

js/components/Search.js

@@ -0,0 +1,11 @@
+import React from 'react';
+import classNames from 'classnames';
+
+export default function Search({ value, onChange }) {
+  return (
+    <div className="search">
+      <input value={value} type="text" onChange={(e) => { onChange(e.target.value); }} className="search__field" placeholder="Search" />
+      <span className="icon icon--search search__icon" />
+    </div>
+  );
+}