feat(SupportedApps): Added Gitea to Foundation Apps

Closes #101

app/SupportedApps/Gitea.php

@@ -0,0 +1,12 @@
+<?php namespace App\SupportedApps;
+
+class Nextcloud implements Contracts\Applications {
+    public function defaultColour()
+    {
+        return '#585e52';
+    }
+    public function icon()
+    {
+        return 'supportedapps/gitea.png';
+    }
+}