docs: update all documentation and add AI tooling configs

- Rewrite README.md with current architecture, features and stack
- Update docs/API.md with all current endpoints (corporate, BI, client 360)
- Update docs/ARCHITECTURE.md with cache, modular queries, services, ETL
- Update docs/GUIA-USUARIO.md for all roles (admin, corporate, agente)
- Add docs/INDEX.md documentation index
- Add PROJETO.md comprehensive project reference
- Add BI-CCC-Implementation-Guide.md
- Include AI agent configs (.claude, .agents, .gemini, _bmad)
- Add netbird VPN configuration
- Add status report

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.agents/skills/bmad-create-ux-design/ux-design-template.md

@@ -0,0 +1,13 @@
+---
+stepsCompleted: []
+inputDocuments: []
+---
+
+# UX Design Specification {{project_name}}
+
+**Author:** {{user_name}}
+**Date:** {{date}}
+
+---
+
+<!-- UX design content will be appended sequentially through collaborative workflow steps -->