feat: Add Claude skills, agents, adapt .gitignore, adapt pipeline.sh with different cache location

.claude/skills/claude-automation-recommender/references/plugins-reference.md

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+# Plugin Recommendations
+
+Plugins are installable collections of skills, commands, agents, and hooks. Install via `/plugin install`.
+
+**Note**: These are plugins from the official repository. Use web search to discover additional community plugins.
+
+---
+
+## Official Plugins
+
+### Development & Code Quality
+
+| Plugin | Best For | Key Features |
+|--------|----------|--------------|
+| **plugin-dev** | Building Claude Code plugins | Skills for creating skills, hooks, commands, agents |
+| **pr-review-toolkit** | PR review workflows | Specialized review agents (code, tests, types) |
+| **code-review** | Automated code review | Multi-agent review with confidence scoring |
+| **code-simplifier** | Code refactoring | Simplify code while preserving functionality |
+| **feature-dev** | Feature development | End-to-end feature workflow with agents |
+
+### Git & Workflow
+
+| Plugin | Best For | Key Features |
+|--------|----------|--------------|
+| **commit-commands** | Git workflows | /commit, /commit-push-pr commands |
+| **hookify** | Automation rules | Create hooks from conversation patterns |
+
+### Frontend
+
+| Plugin | Best For | Key Features |
+|--------|----------|--------------|
+| **frontend-design** | UI development | Production-grade UI, avoids generic aesthetics |
+
+### Learning & Guidance
+
+| Plugin | Best For | Key Features |
+|--------|----------|--------------|
+| **explanatory-output-style** | Learning | Educational insights about code choices |
+| **learning-output-style** | Interactive learning | Requests contributions at decision points |
+| **security-guidance** | Security awareness | Warns about security issues when editing |
+
+### Language Servers (LSP)
+
+| Plugin | Language |
+|--------|----------|
+| **typescript-lsp** | TypeScript/JavaScript |
+| **pyright-lsp** | Python |
+| **gopls-lsp** | Go |
+| **rust-analyzer-lsp** | Rust |
+| **clangd-lsp** | C/C++ |
+| **jdtls-lsp** | Java |
+| **kotlin-lsp** | Kotlin |
+| **swift-lsp** | Swift |
+| **csharp-lsp** | C# |
+| **php-lsp** | PHP |
+| **lua-lsp** | Lua |
+
+---
+
+## Quick Reference: Codebase → Plugin
+
+| Codebase Signal | Recommended Plugin |
+|-----------------|-------------------|
+| Building plugins | plugin-dev |
+| PR-based workflow | pr-review-toolkit |
+| Git commits | commit-commands |
+| React/Vue/Angular | frontend-design |
+| Want automation rules | hookify |
+| TypeScript project | typescript-lsp |
+| Python project | pyright-lsp |
+| Go project | gopls-lsp |
+| Security-sensitive code | security-guidance |
+| Learning/onboarding | explanatory-output-style |
+
+---
+
+## Plugin Management
+
+```bash
+# Install a plugin
+/plugin install <plugin-name>
+
+# List installed plugins
+/plugin list
+
+# View plugin details
+/plugin info <plugin-name>
+```
+
+---
+
+## When to Recommend Plugins
+
+**Recommend plugin installation when:**
+- User wants to install Claude Code automations from Anthropic's official repository or another shared marketplace
+- User needs multiple related capabilities
+- Team wants standardized workflows
+- First-time Claude Code setup