Wildcard (#18)

* Fix link href

* stan: improve typing

* tweak: pass wildcard by default

src/Command/SyncCommand.php

@@ -16,7 +16,7 @@ public function run(ArgumentValueList $arguments = null):void {
 			$pattern = $arguments->get("pattern");
 		}
 		catch(ArgumentValueListNotSetException) {
-			$pattern = null;
+			$pattern = "**/*";
 		}
 
 		$sync = new DirectorySync($source, $destination, $pattern);