修复seeder错误；删除第三方的think迁移工具，在extend中重新实现；

extend/phinx/Config/NamespaceAwareInterface.php

@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * MIT License
+ * For full license information, please view the LICENSE file that was distributed with this source code.
+ */
+
+namespace Phinx\Config;
+
+/**
+ * Config aware getNamespaceByPath method.
+ *
+ * @package Phinx\Config
+ * @author Andrey N. Mokhov
+ */
+interface NamespaceAwareInterface
+{
+    /**
+     * Get Migration Namespace associated with path.
+     *
+     * @param string $path Path
+     * @return string|null
+     */
+    public function getMigrationNamespaceByPath(string $path): ?string;
+
+    /**
+     * Get Seed Namespace associated with path.
+     *
+     * @param string $path Path
+     * @return string|null
+     */
+    public function getSeedNamespaceByPath(string $path): ?string;
+}