#10 Feature: Deploy Keys support

## Description Add support for Gogs Deploy Keys functionality to the MCP server. ## Why This Feature? Deploy keys enable secure, read-only or read-write access to repositories for automated deployments and CI/CD workflows without requiring user credentials. ## Requirements - Implement `list_deploy_keys` tool - List all deploy keys for a repository - Implement `get_deploy_key` tool - Get details of a specific deploy key - Implement `create_deploy_key` tool - Add a new deploy key to a repository - Implement `delete_deploy_key` tool - Remove a deploy key from a repository - Add proper TypeScript types for DeployKey objects - Support both read-only and read-write access modes - Update documentation with usage examples ## API Endpoints to Implement - `GET /repos/:username/:reponame/keys` - List deploy keys - `GET /repos/:username/:reponame/keys/:id` - Get a deploy key - `POST /repos/:username/:reponame/keys` - Add a deploy key - `DELETE /repos/:username/:reponame/keys/:id` - Delete a deploy key ## Related Requested by @fszontagh in #4 ## API Reference See Gogs API documentation for deploy keys endpoints.