feat: implement CoinGecko Pro API support

[devin-ai-integration]

CoinGecko Pro API Support

This PR adds support for CoinGecko's Pro API while maintaining compatibility with the free API. The implementation includes new endpoints for both free and pro tiers, with a focus on token prices, market data, trending coins, and metadata.

Changes

• Added base service class (CoinGeckoServiceBase) defining common interface
• Implemented CommonService for free API endpoints
• Added ProService with Pro-specific endpoints
• Updated plugin to support both free and pro modes via configuration
• Added new parameter types for all endpoints
• Updated request handling for Pro API authentication

New Features

A) Extended Token Prices & Market Data

1. Common: Check price of any token via GeckoTerminal.com
2. Pro: Check liquidity and market data (mcap, fdv, volume, price)
3. Common: Check CoinGecko price with contract address

B) Trending Coins & Categories

1. Common: Trending coins, NFTs, categories
2. Common: Find coins by category with volume sorting
3. Pro: Trending pools/tokens by network
4. Pro: Top gainers/losers

C) Token Metadata

1. Common: Token metadata (description, links)
2. Pro: Extended metadata including security score and pool info

Usage Example

interface CoingeckoPluginOptions {
    apiKey: string;
    pro?: boolean;
}

// Free API usage
const freePlugin = new CoinGeckoPlugin({ apiKey: "demo-key" });

// Pro API usage
const proPlugin = new CoinGeckoPlugin({ 
    apiKey: "pro-key",
    pro: true 
});

Testing

• Verified build success
• Linting checks passed
• Type definitions generated correctly

Link to Devin run: https://app.devin.ai/sessions/c9908aed1c934db5bb53556d070b464f

[devin-ai-integration]

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