Move source files directly under src/ directory

src/Import/ImportInterface.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Wallabag\CoreBundle\Import;
+
+use Psr\Log\LoggerAwareInterface;
+
+interface ImportInterface extends LoggerAwareInterface
+{
+    /**
+     * Name of the import.
+     *
+     * @return string
+     */
+    public function getName();
+
+    /**
+     * Url to start the import.
+     *
+     * @return string
+     */
+    public function getUrl();
+
+    /**
+     * Description of the import.
+     *
+     * @return string
+     */
+    public function getDescription();
+
+    /**
+     * Import content using the user token.
+     *
+     * @return bool
+     */
+    public function import();
+
+    /**
+     * Return an array with summary info about the import, with keys:
+     *     - skipped
+     *     - imported.
+     *
+     * @return array
+     */
+    public function getSummary();
+}