feat: add Plugins module with base files for plugins architecture

modules/Plugins/Commands/InstallCommand.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Modules\Fediverse\Commands;
+
+use CodeIgniter\CLI\BaseCommand;
+
+class InstallCommand extends BaseCommand
+{
+    /**
+     * @param array<int|string, string|null> $params
+     */
+    public function run(array $params): void
+    {
+        // TODO:
+    }
+}