feat: Fase 0 — Fundação (setup-foundation) (#1)

* docs(openspec): propose setup-foundation change

Add OpenSpec change for SPEC Phase 0 — Foundation with proposal,
design, capability specs, and implementation tasks. Populate
openspec/config.yaml with project context and artifact rules.

Co-authored-by: Cursor <cursoragent@cursor.com>

* feat: bootstrap Laravel 13 foundation (Fase 0)

Implement OpenSpec change setup-foundation: Laravel 13 + Filament 5
admin panel, Livewire 4 public site shell, PostgreSQL via Compose,
design tokens, role-based auth, quality gates (Pint/Larastan/Pest),
FrankenPHP Dockerfile, and GitHub Actions CI with five blocking jobs.

Co-authored-by: Cursor <cursoragent@cursor.com>

* fix(ci): use valid APP_KEY for encryption in tests

Co-authored-by: Cursor <cursoragent@cursor.com>

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Co-authored-by: Cursor <cursoragent@cursor.com>

public/fonts/filament/filament/inter/index.css

@@ -0,0 +1 @@
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