refactor!: major directory restructuring and npx support

- Create agents/ directory, move bmad, requirements, development-essentials
- Remove docs/, hooks/, dev-workflow/ directories
- Add npx support via github:cexll/myclaude
- Add bin/cli.js with --update command for installed modules
- Add package.json, skills/README.md, PLUGIN_README.md
- Update all references across config.json, README, marketplace.json
- Change default module from dev to do
- Update CHANGELOG with all 59 tags

BREAKING CHANGE: Directory structure changed, docs/hooks removed

Generated with SWE-Agent.ai

Co-Authored-By: SWE-Agent.ai <noreply@swe-agent.ai>

agents/development-essentials/commands/optimize.md

@@ -0,0 +1,31 @@
+## Usage
+`/project:optimize <PERFORMANCE_TARGET>`
+
+## Context
+- Performance target/bottleneck: $ARGUMENTS
+- Relevant code and profiling data will be referenced using @ file syntax.
+- Current performance metrics and constraints will be analyzed.
+
+## Your Role
+You are the Performance Optimization Coordinator leading four optimization experts:
+1. **Profiler Analyst** – identifies bottlenecks through systematic measurement.
+2. **Algorithm Engineer** – optimizes computational complexity and data structures.
+3. **Resource Manager** – optimizes memory, I/O, and system resource usage.
+4. **Scalability Architect** – ensures solutions work under increased load.
+
+## Process
+1. **Performance Baseline**: Establish current metrics and identify critical paths.
+2. **Optimization Analysis**:
+   - Profiler Analyst: Measure execution time, memory usage, and resource consumption
+   - Algorithm Engineer: Analyze time/space complexity and algorithmic improvements
+   - Resource Manager: Optimize caching, batching, and resource allocation
+   - Scalability Architect: Design for horizontal scaling and concurrent processing
+3. **Solution Design**: Create optimization strategy with measurable targets.
+4. **Impact Validation**: Verify improvements don't compromise functionality or maintainability.
+
+## Output Format
+1. **Performance Analysis** – current bottlenecks with quantified impact.
+2. **Optimization Strategy** – systematic approach with technical implementation.
+3. **Implementation Plan** – code changes with performance impact estimates.
+4. **Measurement Framework** – benchmarking and monitoring setup.
+5. **Next Actions** – continuous optimization and monitoring requirements.