Add KeyPair class to manage public and private keys

src/Socialbox/Objects/KeyPair.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Socialbox\Objects;
+
+class KeyPair
+{
+    private string $publicKey;
+    private string $privateKey;
+
+    public function __construct(string $publicKey, string $privateKey)
+    {
+        $this->publicKey = $publicKey;
+        $this->privateKey = $privateKey;
+    }
+
+    public function getPublicKey(): string
+    {
+        return $this->publicKey;
+    }
+
+    public function getPrivateKey(): string
+    {
+        return $this->privateKey;
+    }
+}