Initial commit: Pireon Admin — headless admin panel and public API

Laravel 13 + Filament 5 admin panel and REST API for a non-profit developer
collective, backed by the Pireon OAuth identity server. The public site is a
separate, server-rendered application consuming /api/public/v1.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

bootstrap/providers.php

@@ -0,0 +1,11 @@
+<?php
+
+use App\Providers\AppServiceProvider;
+use App\Providers\AuthServiceProvider;
+use App\Providers\Filament\AdminPanelProvider;
+
+return [
+    AppServiceProvider::class,
+    AuthServiceProvider::class,
+    AdminPanelProvider::class,
+];