Add environment setup automation and starter templates for SDK onboarding

[Copilot]

New developers face 2-3 hours of manual environment configuration across multiple platforms. This adds automated setup, validation tooling, and production-ready starter templates.

Setup Automation

Scripts (scripts/)

• setup-dev-env.sh - Automated install for Linux/macOS (gh CLI, Copilot CLI, SDK runtimes)
• setup-dev-env.ps1 - Windows equivalent using winget
• validate-env.sh - Validates prerequisites, versions, and authentication

Usage

bash scripts/setup-dev-env.sh  # Install everything
bash scripts/validate-env.sh   # Verify setup

Starter Templates

TypeScript (templates/typescript-quickstart/)

• Interactive CLI with streaming responses
• Example tools: calculator, time lookup
• Hot reload, ESLint/Prettier configs

Python (templates/python-quickstart/)

• Async/await patterns
• Same example tools as TypeScript
• Virtual environment ready

Both include working defineTool examples:

const calculator = defineTool("calculator", {
    description: "Perform basic math calculations",
    parameters: { /* ... */ },
    handler: async (args) => { /* ... */ }
});

Environment Template (templates/.env.example)

• Copilot model configuration
• MCP server settings
• Tool access controls

Documentation

• docs/environment-setup.md - Multi-platform setup guide
• docs/troubleshooting.md - 20+ common issues with solutions
• docs/quick-reference.md - Command cheatsheet
• Updated main README and getting-started guide with setup links

Coverage

• Platforms: Windows, macOS, Linux
• SDKs: TypeScript, Python (templates); Go, .NET (documented)
• Reduces setup time: 2-3 hours → <15 minutes

Original prompt

set up the environment for developing and agentic app using the co-pilot SDK and all of its features

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