Fix external links

src/components/Icon/Icon.tsx

@@ -1,5 +1,4 @@
 import * as React from "react";
-import { Link } from "react-router-dom";
 import "./Icon.scss";
 
 export enum IconType {
@@ -63,13 +62,13 @@ class Icon extends React.Component<IconProps, IconState> {
     const elem = nameToIcon(name);
     if (link) {
       return (
-        <Link
-          to={link}
+        <a
+          href={link}
           className="so-me-icon"
           onClick={onClick}
         >
           {elem}
-        </Link>
+        </a>
       );
     } else {
       return (