Prototyping out some plugins

plugins/project-planning/README.md

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+# Project Planning Plugin
+
+Tools and guidance for software project planning, feature breakdown, epic management, implementation planning, and task organization for development teams.
+
+## Installation
+
+```bash
+# Using Copilot CLI
+copilot plugin install github/awesome-copilot/plugins/project-planning
+```
+
+## What's Included
+
+### Commands (Slash Commands)
+
+| Command | Description |
+|---------|-------------|
+| `/project-planning:breakdown-feature-implementation` | Create detailed feature implementation plans |
+| `/project-planning:breakdown-feature-prd` | Break down features into PRD format |
+| `/project-planning:breakdown-epic-arch` | Architecture breakdown for epics |
+| `/project-planning:breakdown-epic-pm` | Product management breakdown for epics |
+| `/project-planning:create-implementation-plan` | Generate implementation plans |
+| `/project-planning:update-implementation-plan` | Update existing implementation plans |
+| `/project-planning:create-github-issues-feature-from-implementation-plan` | Create GitHub issues from plans |
+| `/project-planning:create-technical-spike` | Create technical spike documents |
+
+### Agents
+
+| Agent | Description |
+|-------|-------------|
+| `task-planner` | Plan and organize development tasks |
+| `task-researcher` | Research context for task planning |
+| `planner` | General planning assistance |
+| `plan` | Quick planning mode |
+| `prd` | Product Requirements Document creation |
+| `implementation-plan` | Detailed implementation planning |
+| `research-technical-spike` | Technical spike research and documentation |
+
+### Skills
+
+| Skill | Description |
+|-------|-------------|
+| `planning-guidelines` | Guidelines for task tracking and spec-driven workflows |
+
+## Usage Examples
+
+### Break down a feature
+```
+/project-planning:breakdown-feature-implementation
+
+I need to implement user authentication with OAuth2
+```
+
+### Create an implementation plan
+```
+/project-planning:create-implementation-plan
+
+Feature: Shopping cart checkout flow
+Requirements: Support credit cards, PayPal, and Apple Pay
+```
+
+### Use the planning agent
+```
+@task-planner Help me plan the migration from REST to GraphQL
+```
+
+## Source
+
+This plugin is part of [Awesome Copilot](https://github.com/github/awesome-copilot), a community-driven collection of GitHub Copilot extensions.
+
+## License
+
+MIT