Rename Link to InternalLink and change usage

components/InternalLink.jsx

@@ -0,0 +1,17 @@
+import React from "react";
+
+const InternalLink = ({ hash, title }) => {
+  const handleLink = (event) => {
+    //manually change hash to trigger hashChange event.
+    window.location.hash = "#";
+    window.location.hash = hash;
+  };
+
+  return (
+    <a onClick={handleLink} className="navlink">
+      {title}
+    </a>
+  );
+};
+
+export default InternalLink;