Huge number of updates, too tired to list them all

+ Added a bunch of API handler classes that will use the already created models
+ Created a new Client class that will connect to new API handler classes
+ Created new collection classes

src/Api/Organizations.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Gitea\Api;
+
+use GuzzleHttp\Psr7\Response;
+
+use Gitea\Client;
+use Gitea\Models\Organization;
+
+use Gitea\Api\AbstractApi;
+
+class Organizations extends AbstractApi
+{
+
+    /**
+     * Get an organization using its username and parse
+     * it's information into an organization object
+     *
+     * Example:
+     * ```
+     * $giteaClient->organizations()->getByUsername($orgUsername);
+     * ```
+     *
+     * @param string $username
+     * @author Benjamin Blake (sitelease.ca)
+     *
+     * @return Organization|Response
+     */
+    public function getByUsername(string $username)
+    {
+        $client = $this->getClient();
+        try {
+            $response = $this->get("orgs/$username");
+            $statusCode = $response->getStatusCode();
+            $body = $response->getBody();
+            if ($statusCode == 200) {
+                return Organization::fromJson(json_decode($body));
+            } else {
+                return $response;
+            }
+        } catch (ServerException $serverError) {
+            return $response;
+        }
+    }
+
+}