Implement Keystone environment deployments

app/Enums/SourceProviderType.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Enums;
+
+use App\Enums\Concerns\Arrayable;
+
+enum SourceProviderType: string
+{
+    use Arrayable;
+
+    case GITEA = 'gitea';
+    case GITHUB = 'github';
+    case GENERIC_GIT = 'generic_git';
+}