add interfaces for route and route collection

src/Interfaces/Routing/IRoute.php

@@ -0,0 +1,12 @@
+<?php namespace SokoWeb\Interfaces\Routing;
+
+interface IRoute
+{
+    public function getId(): string;
+
+    public function getHandler(): array;
+
+    public function generateLink(array $parameters = []): string;
+
+    public function testAgainst(array $path): ?array;
+}