[WIP] Implement Coin Gekko API Integration

[HermanKoii]

Implement Coin Gekko API Integration

Description

Task

Create a coin gekko api

Acceptance Criteria

• API client successfully connects to Coin Gekko
• Can authenticate and make basic API requests
• Handles different types of API responses
• Provides clear error messages for API interactions

Summary of Work

This pull request adds initial implementation for the Coin Gekko API integration. The goal is to create a robust interface for interacting with Coin Gekko's trading and market data services.

Changes Made

• Create initial API client structure
• Implement basic authentication mechanism
• Add methods for core Coin Gekko API endpoints
• Implement error handling and request management

Tests

• Verify API client can establish connection
• Test authentication flow
• Validate endpoint request and response handling
• Ensure proper error management for API calls

Signatures

Staking Key

0x1234567890123456789012345678901234567890: 0x1234567890123456789012345678901234567890

Public Key

0x1234567890123456789012345678901234567890: 0x1234567890123456789012345678901234567890