Add GitHub Actions workflows for CI/CD and release automation

[Copilot]

This PR implements comprehensive deployment automation for the iOS MCP Code Quality Server by adding GitHub Actions workflows that handle continuous integration and release management.

What's Added

🔄 Continuous Integration Workflow (.github/workflows/ci.yml)

• Runs automated tests on all pull requests and main branch commits
• Tests against Node.js 18 and 20 to ensure compatibility
• Validates TypeScript compilation, runs the full test suite, and verifies server startup
• Blocks PR merging if any tests fail, ensuring code quality

📦 Release Automation Workflow (.github/workflows/release.yml)

• Triggers automatically when a new GitHub release is created
• Builds the project, runs tests, and packages distributable artifacts
• Creates a complete deployment package including:
  • Compiled JavaScript files (dist/ directory)
  • Essential files (package.json, README.md, LICENSE)
  • Installation script (install.sh) for easy setup
  • Startup script (start.sh) for running the server
• Automatically attaches the packaged artifact to the GitHub release

✅ PR Status Check Workflow (.github/workflows/pr-check.yml)

• Additional validation layer for pull requests
• Provides clear status indicators for PR readiness
• Works with branch protection rules to prevent merging failing code

Benefits

• Quality Assurance: All code changes are automatically tested before merging
• Release Reliability: Every release is built from tested code with consistent packaging
• Easy Deployment: Release artifacts include everything needed to run the server
• Developer Experience: Clear feedback on PR status and automated release process

Documentation Updates

Updated README.md with a comprehensive "Deployment & CI/CD" section explaining:

• How the CI workflows work
• Release automation process
• Instructions for using release artifacts
• Overview of all workflow files

Testing

All workflows have been validated:

• YAML syntax is correct
• Build process works correctly
• Test suite passes (all 19 tests)
• Server startup verification succeeds
• Release packaging creates proper artifacts

Fixes #12.

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[Copilot]

Pull Request Overview

This PR implements comprehensive CI/CD automation for the iOS MCP Code Quality Server by adding GitHub Actions workflows for continuous integration, pull request validation, and automated release management. The changes ensure code quality through automated testing and streamline the deployment process with packaged release artifacts.

Key changes:

• Added three GitHub Actions workflows for CI/CD automation
• Updated README.md with detailed deployment and CI/CD documentation
• Created automated testing, building, and release packaging processes

Reviewed Changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 5 comments.

File	Description
README.md	Added comprehensive "Deployment & CI/CD" section documenting workflows and usage
.github/workflows/release.yml	Automated release workflow that builds, tests, and packages artifacts
.github/workflows/pr-check.yml	PR status validation workflow for quality gates
.github/workflows/ci.yml	Main CI workflow for testing across Node.js versions