Add Claude N8N toolkit with Docker mock API server

- Added comprehensive N8N development tools collection
- Added Docker-containerized mock API server for testing
- Added complete documentation and setup guides
- Added mock API server with health checks and data endpoints
- Tools include workflow analyzers, debuggers, and controllers

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

claude_n8n/tools/__init__.py

@@ -0,0 +1,41 @@
+"""
+N8N Workflow Development Tools
+
+A comprehensive toolkit for automated N8N workflow development, testing, and improvement.
+"""
+
+from .n8n_client import N8NClient, N8NConfig
+from .workflow_analyzer import WorkflowAnalyzer, AnalysisResult
+from .execution_monitor import ExecutionMonitor, ExecutionEvent, ExecutionStatus, create_simple_monitor
+from .workflow_improver import WorkflowImprover, TestCase, ImprovementResult
+from .n8n_assistant import N8NAssistant
+from .mock_api_server import MockAPIServer, create_mock_api_server
+from .workflow_controller import WorkflowController, create_workflow_controller
+from .docker_log_monitor import DockerLogMonitor, create_docker_log_monitor
+from .manual_trigger_manager import ManualTriggerManager, create_manual_trigger_manager
+
+__version__ = "1.0.0"
+__author__ = "Claude Code CLI"
+
+__all__ = [
+    "N8NClient",
+    "N8NConfig", 
+    "WorkflowAnalyzer",
+    "AnalysisResult",
+    "ExecutionMonitor",
+    "ExecutionEvent", 
+    "ExecutionStatus",
+    "create_simple_monitor",
+    "WorkflowImprover",
+    "TestCase",
+    "ImprovementResult", 
+    "N8NAssistant",
+    "MockAPIServer",
+    "create_mock_api_server",
+    "WorkflowController",
+    "create_workflow_controller",
+    "DockerLogMonitor",
+    "create_docker_log_monitor",
+    "ManualTriggerManager",
+    "create_manual_trigger_manager"
+]