Motion MCP Server

# Task ID: 2 # Title: Implement Authentication Module # Status: pending # Dependencies: 1 # Priority: high # Description: Create an authentication module to handle Motion API key authentication and secure key storage. # Details: 1. Create an 'auth' module in src/auth/ 2. Implement a function to read MOTION_API_KEY from environment variables 3. Create a function to validate API key format 4. Implement secure key storage using 'node-keytar' library (npm install keytar) 5. Create a function to retrieve stored API key 6. Implement error handling for missing or invalid API keys # Test Strategy: 1. Unit test API key validation function 2. Test secure storage and retrieval of API key 3. Mock environment variables to test different scenarios