create ImportController to list importers

src/Wallabag/ImportBundle/Import/ImportInterface.php

@@ -4,6 +4,8 @@ namespace Wallabag\ImportBundle\Import;
 
 interface ImportInterface
 {
+    public function getName();
+    public function getDescription();
     public function oAuthRequest($redirectUri, $callbackUri);
     public function oAuthAuthorize();
     public function import($accessToken);

src/Wallabag/ImportBundle/Import/PocketImport.php

@@ -23,6 +23,16 @@ class PocketImport implements ImportInterface
         $this->consumerKey = $consumerKey;
     }
 
+    public function getName()
+    {
+        return 'Pocket';
+    }
+
+    public function getDescription()
+    {
+        return 'This importer will import all your <a href="https://getpocket.com">Pocket</a> data.';
+    }
+
     /**
      * Create a new Client.
      *