Add some WP rest API endpoints

reference: http://v2.wp-api.org/

Discovery/Web-Content/CMS/wordpress.fuzz.txt

@@ -858,6 +858,9 @@ wp-includes/widgets.php
 wp-includes/wlwmanifest.xml
 wp-includes/wp-db.php
 wp-includes/wp-diff.php
+wp-json/
+wp-json/wp/v2/posts
+wp-json/wp/v2/users
 wp-links-opml.php
 wp-load.php
 wp-login.php