Add AICraft - Desktop AI Agent Launcher

[easlie114514]

See CONTRIBUTING.md for full guidelines.

Checklist

Agent Configuration

• Model names are current (v4-pro / v4-flash, not v3 names)
• 1M context is configured or mentioned
• Max thinking effort level is supported
• Pricing is current (input, output, cache hit), verified against [DeepSeek API Docs](https://api- docs.deepseek.com/quick_start/pricing)
• Config fields are verified to work in the agent
• No workarounds for already-fixed upstream bugs

Documentation

• Both English and Chinese versions included in a single PR
• README table entry inserted in alphabetical order
• One tool per PR; unrelated tools not combined
• Images placed in docs/assets/ with descriptive filenames and reasonable sizes

[easlie114514]

👋 Hi maintainers, just a friendly ping — this PR has been open for a few days with all checklist items completed. Happy to make any changes if needed.
I'm actively iterating on AICraft and will continue improving it. Any feedback from your side would be very encouraging and motivate me to contribute more!
Thanks for your time 🙏