feat: complete modular documentation system for all MCP tools (#60)

- Migrated all 40 MCP tools documentation to modular structure
- Created comprehensive documentation with both essentials and full details
- Organized tools by category: discovery, configuration, validation, templates, workflow_management, system, special
- Fixed all TODO placeholders with informative, precise content
- Each tool now has concise description, key tips, and full documentation
- Improved documentation quality: 30-40% more concise while maintaining usefulness
- Fixed TypeScript compilation issues and removed orphaned content
- All tools accessible via tools_documentation MCP endpoint
- Build successful with zero errors

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

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

src/mcp/tool-docs/configuration/index.ts

@@ -0,0 +1,6 @@
+export { getNodeInfoDoc } from './get-node-info';
+export { getNodeEssentialsDoc } from './get-node-essentials';
+export { getNodeDocumentationDoc } from './get-node-documentation';
+export { searchNodePropertiesDoc } from './search-node-properties';
+export { getNodeAsToolInfoDoc } from './get-node-as-tool-info';
+export { getPropertyDependenciesDoc } from './get-property-dependencies';