create Abstract class for Uri

src/Potter/Uri/AbstractUri.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Uri;
+
+use \GuzzleHttp\Psr7\Uri as BaseUri;
+
+abstract class AbstractUri extends BaseUri implements UriInterface 
+{ }

src/Potter/Uri/Uri.php

@@ -4,7 +4,5 @@ declare(strict_types=1);
 
 namespace Potter\Uri;
 
-use \GuzzleHttp\Psr7\Uri as BaseUri;
-
-class Uri extends BaseUri implements UriInterface 
+class Uri extends AbstractUri
 { }