Add canonical link

src/Packagist/WebBundle/Resources/views/Package/viewPackage.html.twig

@@ -10,6 +10,10 @@
     {{ parent() }}
 {% endblock %}
 
+{% block head_canonical %}
+    <link rel="canonical" href="{{ url('view_package', {name: package.name}) }}" />
+{% endblock %}
+
 {% block head_additions %}
     <link rel="stylesheet" href="{{ asset('css/github/markdown.css') }}">
 {% endblock %}

src/Packagist/WebBundle/Resources/views/layout.html.twig

@@ -6,6 +6,7 @@
         <title>{% block title %}Packagist{% endblock %}</title>
         <meta name="description" content="{% block description %}The PHP Package Repository{% endblock %}" />
         <meta name="author" content="Jordi Boggiano" />
+        {% block head_canonical %}<meta name="canonical" href="{{ app.request.uri }}" />{% endblock %}
 
         <meta name="viewport" content="width=device-width, initial-scale=1.0" />