implement Text entity

src/Entity/Text.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Gemtext\Entity;
+
+class Text
+{
+    private string $_data;
+
+    public function __construct(
+         string $data
+    ) {
+        $this->setData(
+            $data
+        );
+    }
+
+    public function setData(
+        string $data
+    ): void
+    {
+        $this->_data = trim(
+            $data
+        );
+    }
+
+    public function getData(): string
+    {
+        return $this->_data;
+    }
+
+    public function toString(): string
+    {
+        return $this->_data;
+    }
+}