feat: Add initial project structure for QA Test Automation, including…

[gramajoguadalupe]

📋 Description

Added comprehensive GitHub Actions CI/CD configuration and test framework improvements.

🚀 Changes Made

• ✅ Updated cypress.config.js with CI/CD specific settings
• ✅ Enhanced package.json with additional test scripts
• ✅ Added complete GitHub Actions workflows (ci.yml, nightly.yml, deploy-reports.yml)
• ✅ Configured multi-browser testing matrix
• ✅ Added API testing with Cypress and Newman
• ✅ Implemented accessibility testing
• ✅ Added security scanning
• ✅ Created comprehensive documentation

🧪 Testing

• All existing tests pass
• New scripts tested locally
• CI/CD configuration validated

📈 Features Added

• Multi-browser testing (Chrome, Firefox, Edge)
• Separate test jobs for DemoQA and AutomationExercise
• Nightly regression testing with full matrix
• Automated report deployment to GitHub Pages
• Slack notifications integration