feat: L'Ami Fiduciaire V1.0.0 — full codebase with Story 0.1 complete

Initial commit of the L'Ami Fiduciaire SaaS platform built on Laravel 12,
Vue 3, Inertia.js 2, and Tailwind CSS 4.

Story 0.1 (rename folders to declarations in database) is implemented and
code-reviewed: migration, rollback, and 6 Pest tests all passing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Providers/AppServiceProvider.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Providers;
+
+use Carbon\CarbonImmutable;
+use Illuminate\Support\Facades\Date;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\ServiceProvider;
+use Illuminate\Validation\Rules\Password;
+
+class AppServiceProvider extends ServiceProvider
+{
+    /**
+     * Register any application services.
+     */
+    public function register(): void
+    {
+        //
+    }
+
+    /**
+     * Bootstrap any application services.
+     */
+    public function boot(): void
+    {
+        $this->configureDefaults();
+    }
+
+    /**
+     * Configure default behaviors for production-ready applications.
+     */
+    protected function configureDefaults(): void
+    {
+        Date::use(CarbonImmutable::class);
+
+        DB::prohibitDestructiveCommands(
+            app()->isProduction(),
+        );
+
+        Password::defaults(fn (): ?Password => app()->isProduction()
+            ? Password::min(12)
+                ->mixedCase()
+                ->letters()
+                ->numbers()
+                ->symbols()
+                ->uncompromised()
+            : null,
+        );
+    }
+}