Add Link component

js/components/Link.js

@@ -0,0 +1,21 @@
+import React from 'react';
+import { connect } from 'react-redux';
+import actions from '../actions';
+
+function Link({ pageName, children, navigate, className}) {
+  const handleClick = (e) => {
+    e.preventDefault();
+    navigate(pageName);
+  };
+
+  return (
+    <a href={`/${pageName}.html`} onClick={handleClick} {...{ className }}>
+      {children}
+    </a>
+  );
+}
+
+export default connect(
+  undefined,
+  actions
+)(Link);