Add six new slash command categories with useful developer tools

- Add /documentation category with create-readme-section command
- Add /security category with security-audit and check-best-practices commands
- Add /architecture category with explain-architecture-pattern command
- Add /promptengineering category with convert-to-test-driven-prompt and batch-operations-prompt commands
- Update README.md to document all new slash commands
- Add Bash(mkdir:*) permission to settings.local.json

.claude/commands/documentation/create-readme-section.md

@@ -0,0 +1,73 @@
+# Create README Section
+
+Generate a specific section for a README file based on the user's request. This command helps create well-structured, professional README sections that follow best practices.
+
+## Usage Examples
+
+### Basic Usage
+"Create an installation section for my Python project"
+"Generate a contributing guide section"
+"Write an API reference section for my REST endpoints"
+
+### Specific Sections
+- **Installation**: Step-by-step setup instructions
+- **Usage**: How to use the project with examples
+- **API Reference**: Detailed API documentation
+- **Contributing**: Guidelines for contributors
+- **License**: License information
+- **Configuration**: Configuration options and environment variables
+- **Troubleshooting**: Common issues and solutions
+- **Dependencies**: Required dependencies and versions
+- **Architecture**: High-level architecture overview
+- **Testing**: How to run tests
+- **Deployment**: Deployment instructions
+- **Changelog**: Version history and changes
+
+## Instructions for Claude
+
+When creating a README section:
+
+1. **Analyze the Project Context**: Look at existing files (package.json, requirements.txt, etc.) to understand the project
+2. **Follow Markdown Best Practices**: Use proper headings, code blocks, and formatting
+3. **Include Practical Examples**: Add code snippets and command examples where relevant
+4. **Be Comprehensive but Concise**: Cover all important points without being verbose
+5. **Match Existing Style**: If a README already exists, match its tone and formatting style
+
+### Section Templates
+
+#### Installation Section
+- Prerequisites
+- Step-by-step installation
+- Verification steps
+- Common installation issues
+
+#### Usage Section
+- Basic usage examples
+- Advanced usage scenarios
+- Command-line options (if applicable)
+- Code examples with expected output
+
+#### API Reference Section
+- Endpoint descriptions
+- Request/response formats
+- Authentication details
+- Error codes and handling
+- Rate limiting information
+
+#### Contributing Section
+- Development setup
+- Code style guidelines
+- Pull request process
+- Issue reporting guidelines
+- Code of conduct reference
+
+### Output Format
+
+Generate the section with:
+- Appropriate heading level (usually ## or ###)
+- Clear, structured content
+- Code blocks with language specification
+- Links to relevant resources
+- Bullet points or numbered lists where appropriate
+
+Remember to ask for clarification if the section type or project details are unclear.