Add debug statements for namespace parsing

Inserted var_dump() calls to display the namespace and namespaceResult variables. This will assist in debugging issues related to namespace parsing in the ClassName.php file.

src/ClassName.php

@@ -59,6 +59,9 @@ public static function from(string $filePath): ?string
                     /** @var string */
                     $namespace = $namespaceResult[0];
                     $position = $namespaceResult[1];
+                    var_dump("ns:$namespace");
+                    var_dump("namespaceResult:$namespaceResult");
+
                     continue 2;
                 case T_CLASS:
                     $className = self::parseClassName($tokens, $position + 1, $count);