replaced index.php with page.php to be inline with api.jqueryui.com and have a suitable index page

(cherry picked from commit 269542c)

Author: agcolom

themes/api.jquerymobile.com/index.php

@@ -0,0 +1,11 @@
+<?php
+/**
+* The Template for displaying single posts.
+*/
+
+get_header(); ?>
+
+<?php get_template_part( 'single', 'api' ); ?>
+
+<?php get_footer(); ?>
+