make html builder executable

diff --git a/bin/build-html.php b/bin/build-html.php
old mode 100644 (file)
new mode 100755 (executable)
index 581df02..2037cfc
--- a/bin/build-html.php
+++ b/bin/build-html.php
@@ -1,3 +1,4 @@
+#!/usr/bin/env php
 <?php
 /**
  * Take the generated JSON files and convert them to HTML for a browser