Add comprehensive README documentation

[Copilot]

The repository lacked user-facing documentation. Added a complete README covering installation, usage, and development workflows.

Contents

• Project overview: MCP server for Enapter IoT platform integration
• Installation methods: PyPI, source, and Docker
• Usage examples: Server startup, configuration via environment variables and CLI flags
• MCP tools reference: Complete documentation of 5 available tools (list_sites, get_site, list_devices, get_device, get_latest_telemetry) with parameters and return types
• Development guide: Setup, testing, linting, and build commands via Makefile
• Project structure: Source organization and key dependencies

Example Usage

# Start server with custom configuration
python -m enapter_mcp_server serve \
  --address 0.0.0.0:8080 \
  --enapter-http-api-url https://api.enapter.com

# Or via Docker
docker run -p 8000:8000 enapter/mcp-server:latest serve

Original prompt

Write a nice README.

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💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

[rnovatorov]

@copilot, I've added a few changes. Check if everything is alright.

[rnovatorov]

@copilot Would you please review my changes?

[Copilot]

@copilot, I've added a few changes. Check if everything is alright.

Yes, everything looks great! The README is now much more concise and focused. The changes are excellent:

• Streamlined from 298 to 66 lines while keeping all essential information
• Docker-first approach makes it clearer for users
• Updated references to Enapter EMS and better API documentation links
• All formatting and links are working correctly

The simplified version is much more approachable for users.

@copilot Would you please review my changes?

Reviewed! The README changes look excellent. The condensed version is much more user-friendly and maintains all the critical information while removing less essential development details. All markdown formatting, links, and code blocks are properly structured.