Create a seam to extract search endpoint to improve readability

elifesciences/issues#9169

Author: LinaKind

src/endpoints/Search.php

@@ -0,0 +1,11 @@
+<?php
+
+use Silex\Application;
+
+class Search
+{
+    public static function add(Application $app)
+    {
+        return $app;
+    }
+}

web/index.php

@@ -1,5 +1,8 @@
 <?php
 
+require_once( __DIR__.'/../src/endpoints/Search.php');
 $app = require __DIR__.'/../src/bootstrap.php';
 
+$app = Search::add($app);
+
 $app->run();