feat: Add basic client and first basic endpoint

Adds the client with first basic authentication and
the first endpoint `repositories` with first method.

Classes/Endpoint/EndpointInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Avency\Gitea\Endpoint;
+
+use Avency\Gitea\Client;
+
+/**
+ * Endpoint interface
+ */
+interface EndpointInterface
+{
+}

Classes/Endpoint/Repositories.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Avency\Gitea\Endpoint;
+
+use Avency\Gitea\Client;
+
+/**
+ * Repositories endpoint
+ */
+class Repositories implements EndpointInterface
+{
+    const BASE_URI = 'api/v1/repos';
+
+    /**
+     * @var Client
+     */
+    protected $client;
+
+    /**
+     * @param Client $client
+     */
+    public function __construct(Client $client)
+    {
+        $this->client = $client;
+    }
+
+    /**
+     * @param $owner
+     * @param $repositoryName
+     * @return array
+     */
+    public function get($owner, $repositoryName): array
+    {
+        $response = $this->client->request(self::BASE_URI . '/' . $owner . '/' . $repositoryName);
+        return \GuzzleHttp\json_decode($response->getBody(), true);
+    }
+}