Add admin nav

src/components/AdminSidebarLink/AdminSidebarLink.tsx

@@ -0,0 +1,24 @@
+import * as React from "react";
+import { Link } from "react-router-dom";
+import "./AdminSidebarLink.scss";
+
+export interface AdminSidebarLinkProps {
+  to: string;
+  path: string;
+}
+export interface AdminSidebarLinkState {}
+
+class AdminSidebarLink extends React.Component<AdminSidebarLinkProps, AdminSidebarLinkState> {
+  render() {
+    const { to, path, children } = this.props;
+    const activeClass = to === path ? "active" : "";
+
+    return (
+      <Link to={to} className={`admin-sidebar-link ${activeClass}`}>
+        { children }
+      </Link>
+    );
+  }
+}
+
+export default AdminSidebarLink;