Feature/add binance plugin

[Lukapetro]

Risks

Low - New plugin introducing trading capabilities on Binance

Background

What does this PR do?

Adds a new plugin that enables Eliza to interact with Binance exchange for:

• Cryptocurrency price checks
• Spot trading (market/limit orders)
• Wallet balance inquiries

What kind of change is this?

Features (new plugin)

Documentation changes needed?

Documentation included in plugin's README.md

Testing

Where should a reviewer start?

1. Review plugin configuration in package.json
2. Check the actions in src/actions/
3. Test basic functionality:

Detailed testing steps

1. Add API keys to env:

BINANCE_API_KEY=xxx
BINANCE_SECRET_KEY=xxx

2. Add plugin to Eliza config:

{
    "plugins": ["@elizaos/plugin-binance"]
}

3. Test basic commands:

• "What's BTC price?"
• "Show my wallet balance"
• "Buy 0.001 BTC"

Demo

eliza-plugin-binance-demo.mp4

[wtfsayo]

Looks pretty great!