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>

resources/js/layouts/auth/AuthCardLayout.vue

@@ -0,0 +1,50 @@
+<script setup lang="ts">
+import { Link } from '@inertiajs/vue3';
+import AppLogoIcon from '@/components/AppLogoIcon.vue';
+import {
+    Card,
+    CardContent,
+    CardDescription,
+    CardHeader,
+    CardTitle,
+} from '@/components/ui/card';
+import { home } from '@/routes';
+
+defineProps<{
+    title?: string;
+    description?: string;
+}>();
+</script>
+
+<template>
+    <div
+        class="flex min-h-svh flex-col items-center justify-center gap-6 bg-muted p-6 md:p-10"
+    >
+        <div class="flex w-full max-w-md flex-col gap-6">
+            <Link
+                :href="home()"
+                class="flex items-center gap-2 self-center font-medium"
+            >
+                <div class="flex h-9 w-9 items-center justify-center">
+                    <AppLogoIcon
+                        class="size-9 fill-current text-black dark:text-white"
+                    />
+                </div>
+            </Link>
+
+            <div class="flex flex-col gap-6">
+                <Card class="rounded-xl">
+                    <CardHeader class="px-10 pt-8 pb-0 text-center">
+                        <CardTitle class="text-xl">{{ title }}</CardTitle>
+                        <CardDescription>
+                            {{ description }}
+                        </CardDescription>
+                    </CardHeader>
+                    <CardContent class="px-10 py-8">
+                        <slot />
+                    </CardContent>
+                </Card>
+            </div>
+        </div>
+    </div>
+</template>