feat: add Conductor plugin for Context-Driven Development

Add comprehensive Conductor plugin implementing Context-Driven Development
methodology with tracks, specs, and phased implementation plans.

Components:
- 5 commands: setup, new-track, implement, status, revert
- 1 agent: conductor-validator
- 3 skills: context-driven-development, track-management, workflow-patterns
- 18 templates for project artifacts

Documentation updates:
- README.md: Updated counts (68 plugins, 100 agents, 110 skills, 76 tools)
- docs/plugins.md: Added Conductor to Workflows section
- docs/agents.md: Added conductor-validator agent
- docs/agent-skills.md: Added Conductor skills section

Also includes Prettier formatting across all project files.

plugins/backend-development/skills/temporal-python-testing/resources/integration-testing.md

@@ -51,6 +51,7 @@ async def test_workflow_with_mocked_activity(workflow_env):
 ### Dynamic Mock Responses
 
 **Scenario-Based Mocking**:
+
 ```python
 @pytest.mark.asyncio
 async def test_workflow_multiple_mock_scenarios(workflow_env):
@@ -106,6 +107,7 @@ async def test_workflow_multiple_mock_scenarios(workflow_env):
 ### Testing Transient Failures
 
 **Retry Behavior**:
+
 ```python
 @pytest.mark.asyncio
 async def test_workflow_transient_errors(workflow_env):
@@ -154,6 +156,7 @@ async def test_workflow_transient_errors(workflow_env):
 ### Testing Non-Retryable Errors
 
 **Business Validation Failures**:
+
 ```python
 @pytest.mark.asyncio
 async def test_workflow_non_retryable_error(workflow_env):