Implement "Landing" root/index page component

This commit is the initial implementation and renders an self-closing
"Root" component.

GH-36

src/pages/index.jsx

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2018-present Arctic Ice Studio <[email protected]>
+ * Copyright (C) 2018-present Sven Greb <[email protected]>
+ *
+ * Project:    Nord Docs
+ * Repository: https://github.com/arcticicestudio/nord-docs
+ * License:    MIT
+ */
+import React from "react";
+
+import Root from "containers/core/Root";
+
+/**
+ * The landing page component representing the root/index of the site.
+ *
+ * @author Arctic Ice Studio <[email protected]>
+ * @author Sven Greb <[email protected]>
+ * @since 0.1.0
+ */
+const Landing = () => <Root />;
+
+export default Landing;