implement url string resolve method

src/Resolve.php

@@ -126,6 +126,29 @@ class Resolve
         return $this->_shuffle;
     }
 
+    public function url(
+        string $url,
+        array &$result = [],
+        array &$error = [],
+        ?\Yggverse\Net\Address &$resolved = null
+    ): ?string
+    {
+        $resolved = $this->address(
+            new \Yggverse\Net\Address(
+                $url
+            ),
+            $result,
+            $error
+        );
+
+        if ($resolved)
+        {
+            return $resolved->get();
+        }
+
+        return null;
+    }
+
     public function address(
         \Yggverse\Net\Address $address,
         array &$result = [],