add gemini-dl, gemtext-php resources

gemini/gemtext-php/index.gmi

@@ -0,0 +1,78 @@
+# gemtext-php
+
+PHP 8 / Composer Library for Gemtext Operations
+
+This library is lightweight, object-oriented Gemtext replacement to gemini-php
+
+## Install
+
+``` bash
+composer require yggverse/gemtext:dev-main
+```
+
+## Example
+
+### Parse existing document
+
+``` php
+// Load document from file
+$document = new \Yggverse\Gemtext\Document(
+    file_get_contents(
+        'tests/data/document.gmi'
+    )
+);
+
+// Get links
+foreach ($document->getLinks() as $link)
+{
+    print(
+        $link->toString()
+    );
+}
+```
+
+### Create new document
+
+``` php
+// Init new document
+$document = new \Yggverse\Gemtext\Document;
+
+// Append header
+$document->append(
+    new \Yggverse\Gemtext\Entity\Header(
+        'Hello world'
+    )
+);
+
+// Init new link
+$link = new \Yggverse\Gemtext\Entity\Link(
+    'gemini://geminiprotocol.net',
+    'The Gemini Program',
+    '1965-01-19'
+);
+
+// Change link date
+$link->setDate(
+    date('Y-m-d')
+);
+
+// Append link
+$document->append(
+    $link
+);
+
+// Get gemtext
+print(
+    $document->toString()
+);
+
+// Save to file
+file_put_contents(
+    '/path/to/file.gmi',
+    $document->toString()
+)
+```
+
+## Download
+
+=> https://github.com/YGGverse/gemtext-php GitHub