adding back docs

docs/step1-05/final/src/components/TodoFooter.tsx

@@ -0,0 +1,12 @@
+import React from 'react';
+
+export const TodoFooter = (props: any) => {
+  return (
+    <footer>
+      <span>
+        <span className="remaining">4</span> items left
+      </span>
+      <button className="submit">Clear Completed</button>
+    </footer>
+  );
+};