vendor and env first commit

vendor/league/oauth1-client/src/Signature/PlainTextSignature.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace League\OAuth1\Client\Signature;
+
+class PlainTextSignature extends Signature implements SignatureInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function method()
+    {
+        return 'PLAINTEXT';
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function sign($uri, array $parameters = [], $method = 'POST')
+    {
+        return $this->key();
+    }
+}