Added map search UI and initial multi-select

src/icons/SelectMultipleIcon.js

@@ -0,0 +1,18 @@
+import React from "react";
+
+function SelectMultipleIcon() {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      height="24"
+      viewBox="0 0 24 24"
+      width="24"
+      fill="currentcolor"
+    >
+      <path d="M0 0h24v24H0V0z" fill="none" />
+      <path d="M3 5h2V3c-1.1 0-2 .9-2 2zm0 8h2v-2H3v2zm4 8h2v-2H7v2zM3 9h2V7H3v2zm10-6h-2v2h2V3zm6 0v2h2c0-1.1-.9-2-2-2zM5 21v-2H3c0 1.1.9 2 2 2zm-2-4h2v-2H3v2zM9 3H7v2h2V3zm2 18h2v-2h-2v2zm8-8h2v-2h-2v2zm0 8c1.1 0 2-.9 2-2h-2v2zm0-12h2V7h-2v2zm0 8h2v-2h-2v2zm-4 4h2v-2h-2v2zm0-16h2V3h-2v2zM8 17h8c.55 0 1-.45 1-1V8c0-.55-.45-1-1-1H8c-.55 0-1 .45-1 1v8c0 .55.45 1 1 1zm1-8h6v6H9V9z" />
+    </svg>
+  );
+}
+
+export default SelectMultipleIcon;