rename index.js to search.js, add it to search page too

src/Packagist/WebBundle/Resources/views/Web/index.html.twig

@@ -1,7 +1,7 @@
 {% extends "PackagistWebBundle::layout.html.twig" %}
 
 {% block scripts %}
-    <script src="{{ asset('bundles/packagistweb/js/index.js?v=2')}}"></script>
+    <script src="{{ asset('bundles/packagistweb/js/search.js?v=2')}}"></script>
 {% endblock %}
 
 {% block content %}

src/Packagist/WebBundle/Resources/views/Web/search.html.twig

@@ -1,5 +1,9 @@
 {% extends "PackagistWebBundle:Web:list.html.twig" %}
 
+{% block scripts %}
+    <script src="{{ asset('bundles/packagistweb/js/search.js?v=2')}}"></script>
+{% endblock %}
+
 {% block content %}
     <div class="box clearfix">
         <h1>Search packages</h1>