jquerymobile.com: add CSP exceptions for mobile download builder

Fixes jquery/jquerymobile.com#179

Author: timmywil

themes/jquerymobile.com/functions.php

@@ -0,0 +1,9 @@
+<?php
+
+// Allow scripts from cdnjs.cloudflare.com for the download builder
+// Allow connections to the amd builder subdomain for the download builder
+add_filter( 'jq_content_security_policy', function ( $policy ) {
+	$policy[ 'script-src' ] = "'self' code.jquery.com cdnjs.cloudflare.com";
+	$policy[ 'connect-src' ] = "'self' typesense.jquery.com *.jquerymobile.com";
+	return $policy;
+} );