chore: Add testing configuration and clean up duplicate files

- Added pytest configuration and test suite
- Added TypeScript configuration for both frontend apps
- Removed duplicate migration files from backend/backend/migrations/
- Enhanced project structure for better testing and development"

backend/tests/conftest.py

@@ -0,0 +1,28 @@
+"""
+Test Configuration - ServiceManagerWeb
+
+Configuración básica para testing con pytest
+"""
+
+import pytest
+
+
+@pytest.fixture 
+def test_user_data():
+    """Sample user data for testing."""
+    return {
+        "email": "test@example.com",
+        "first_name": "Test",
+        "last_name": "User", 
+        "password": "TestPassword123!"
+    }
+
+
+@pytest.fixture 
+def test_tenant_data():
+    """Sample tenant data for testing."""
+    return {
+        "name": "Test Tenant",
+        "slug": "test-tenant",
+        "description": "Test tenant for testing"
+    }