Reorganize: Move all skills to skills/ folder

- Created skills/ directory
- Moved 272 skills to skills/ subfolder
- Kept agents/ at root level
- Kept installation scripts and docs at root level

Repository structure:
- skills/           - All 272 skills from skills.sh
- agents/           - Agent definitions
- *.sh, *.ps1       - Installation scripts
- README.md, etc.   - Documentation

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

skills/plugins/marketplaces/design-plugins/design-and-refine/commands/cleanup.md

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+---
+description: Remove all temporary design lab files created during a design-and-refine session
+---
+
+# Cleanup Command
+
+Manually clean up all temporary files created during a design-and-refine session.
+
+## Usage
+
+```
+/design-and-refine:cleanup
+```
+
+## What This Does
+
+Removes all temporary files and directories created during design exploration:
+
+1. **`.claude-design/`** - The main temporary directory containing:
+   - Design lab variants
+   - Preview files
+   - Design brief JSON
+   - Run logs
+
+2. **Temporary routes:**
+   - `app/__design_lab/` (Next.js App Router)
+   - `app/__design_preview/` (Next.js App Router)
+   - `pages/__design_lab.tsx` (Next.js Pages Router)
+   - `pages/__design_preview.tsx` (Next.js Pages Router)
+
+3. **Any App.tsx modifications** (for Vite projects without routers)
+
+## Instructions
+
+When this command is invoked:
+
+1. Check if `.claude-design/` directory exists
+2. If it exists, list the contents and ask for confirmation before deleting
+3. Check for temporary route files in common locations
+4. Delete confirmed files
+5. Report what was deleted
+
+**Safety rules:**
+- ONLY delete files inside `.claude-design/`
+- ONLY delete route files that match the plugin's naming pattern (`__design_lab`, `__design_preview`)
+- Always confirm with the user before deleting
+- Never delete user-authored files

skills/plugins/marketplaces/design-plugins/design-and-refine/commands/start.md

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+---
+description: Start a design and refine session - generate variations, collect feedback, and iterate to the perfect design
+---
+
+# Start Design & Refine
+
+Begin an interactive design session that generates UI variations, collects your feedback, and iterates until you're confident in the result.
+
+## Usage
+
+```
+/design-and-refine:start [target]
+```
+
+**Arguments:**
+- `target` (optional): The component or page to design/redesign. If not provided, you'll be asked.
+
+## What This Does
+
+1. **Interviews you** about requirements, pain points, and style direction
+2. **Infers visual styles** from your existing codebase
+3. **Generates five distinct variations** in a temporary Design Lab route
+4. **Collects your feedback** on what you like about each
+5. **Synthesizes a refined version** combining the best elements
+6. **Iterates until you're confident** in the final design
+7. **Cleans up** all temporary files and produces an implementation plan
+
+## Instructions
+
+When this command is invoked, follow the Design Lab skill workflow exactly. The skill contains:
+- The complete interview script
+- Framework and styling detection logic
+- Visual style inference from the project
+- Variant generation guidelines
+- Feedback collection and synthesis process
+- Cleanup procedures
+
+$ARGUMENTS will contain any target specified by the user.
+
+Begin by running the preflight detection, then start the interview process. Use the AskUserQuestion tool for all interview steps.