[TASK-2026-02-06-ESTANDARIZACION-ESTRUCTURA-PROYECTOS] refactor(structure): Migrate to canonical apps/ structure

- Moved backend/ to apps/backend/ (submodule)
- Moved database/ to apps/database/ (submodule)
- Moved frontend/ to apps/frontend-web/ (submodule)
- Updated .gitmodules references
- Created apps/_MAP.md
- Updated CLAUDE.md v0.1.0 -> v2.0.0

Part of: TASK-2026-02-06-ESTANDARIZACION-ESTRUCTURA-PROYECTOS Sprint 5

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

.gitmodules

@@ -3,13 +3,13 @@
 # =============================================================================
 
 [submodule "backend"]
-	path = backend
+	path = apps/backend
 	url = git@gitea-server:rckrdmrd/inmobiliaria-analytics-backend-v2.git
 
 [submodule "database"]
-	path = database
+	path = apps/database
 	url = git@gitea-server:rckrdmrd/inmobiliaria-analytics-database-v2.git
 
 [submodule "frontend"]
-	path = frontend
+	path = apps/frontend-web
 	url = git@gitea-server:rckrdmrd/inmobiliaria-analytics-frontend-v2.git

CLAUDE.md

@@ -4,8 +4,8 @@
 **Sistema:** SIMCO v4.0.0 + NEXUS v4.0
 **Proyecto:** inmobiliaria-analytics
 **Tipo:** CONSUMER
-**Versión:** 0.1.0
-**Actualizado:** 2026-02-02
+**Versión:** 2.0.0
+**Actualizado:** 2026-02-06
 
 ---