Add Facebook Ads MCP Server

[fortytwode]

Add Facebook Ads MCP Server

 ## Overview
 Adding Facebook Ads MCP Server to the official registry. This server enables
  Claude and other MCP clients to access Facebook advertising data through
 natural language conversations.

 ## Server Details
 - **Repository**: https://github.com/fortytwode/10xer
 - **NPM Package**: `facebook-ads-mcp-server`
 - **Author**: Shamanth M. Rao (@fortytwode)
 - **License**: MIT

 ## Features
 - ✅ List all accessible Facebook ad accounts
 - ✅ Get detailed account information and status
 - ✅ Retrieve performance metrics and analytics data
 - ✅ Access account activity logs
 - ✅ Handle paginated API responses

 ## Technical Implementation
 - Built with MCP SDK 0.4.0
 - Facebook Graph API v23.0 integration
 - Comprehensive error handling and validation
 - Secure: Uses user's own Facebook access token
 - No data stored or transmitted to third parties

 ## Installation & Usage
 ```bash
 npm install -g facebook-ads-mcp-server
 ```

 Configuration for Claude Desktop:
 ```json
 {
   "mcpServers": {
     "facebook-ads": {
       "command": "facebook-ads-mcp",
       "env": {
         "FACEBOOK_ACCESS_TOKEN": "user_token_here"
       }
     }
   }
 }
 ```

 ## Testing
 - ✅ All tests passing (7/7)
 - ✅ Successfully published to NPM
 - ✅ Tested with real Facebook ad account data
 - ✅ Comprehensive error handling

 ## Use Cases
 - Marketing campaign analysis
 - Ad spend monitoring
 - Performance reporting
 - Account management
 - ROI tracking

 This server fills a gap in the MCP ecosystem by providing access to
 Facebook's advertising platform, enabling marketers and businesses to
 analyze their ad performance through natural language queries in Claude.