Initial commit: SuiviCPT personal finance tracker

Laravel 11 + Livewire 3/Volt + Alpine.js + Tailwind app for household
budget planning, transaction tracking, and financial dashboards.

- Multi-tenant households with member invites
- Plan: monthly/yearly budget per category with overrides
- Suivi: transaction log with running balance (desktop + mobile quick-entry)
- Dashboard: budget vs tracked breakdown + Chart.js donuts
- Flux: Sankey diagram of income allocation
- WCAG 2.1 AA color tokens, dark mode, accessible tables/forms
- 50 Pest tests

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

resources/views/vendor/mail/html/button.blade.php

@@ -0,0 +1,24 @@
+@props([
+    'url',
+    'color' => 'primary',
+    'align' => 'center',
+])
+<table class="action" align="{{ $align }}" width="100%" cellpadding="0" cellspacing="0" role="presentation">
+<tr>
+<td align="{{ $align }}">
+<table width="100%" border="0" cellpadding="0" cellspacing="0" role="presentation">
+<tr>
+<td align="{{ $align }}">
+<table border="0" cellpadding="0" cellspacing="0" role="presentation">
+<tr>
+<td>
+<a href="{{ $url }}" class="button button-{{ $color }}" target="_blank" rel="noopener">{!! $slot !!}</a>
+</td>
+</tr>
+</table>
+</td>
+</tr>
+</table>
+</td>
+</tr>
+</table>