feat: add workshop-create skill — two paths, never nest repos

Syncs with jennyf19/the-workshop PR #8 (merged). Adds the
workshop-create skill with Path A (existing dir) and Path B
(new GitHub repo), explicit guard against repo-in-repo nesting.
TA agent updated with workshop-create section.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 26faf13e-639c-4a21-ac05-c0dc2bff7c62

docs/README.plugins.md

@@ -93,7 +93,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-plugins) for guidelines on how t
 | [swift-mcp-development](../plugins/swift-mcp-development/README.md) | Comprehensive collection for building Model Context Protocol servers in Swift using the official MCP Swift SDK with modern concurrency features. | 2 items | swift, mcp, model-context-protocol, server-development, sdk, ios, macos, concurrency, actor, async-await |
 | [technical-spike](../plugins/technical-spike/README.md) | Tools for creation, management and research of technical spikes to reduce unknowns and assumptions before proceeding to specification and implementation of solutions. | 2 items | technical-spike, assumption-testing, validation, research |
 | [testing-automation](../plugins/testing-automation/README.md) | Comprehensive collection for writing tests, test automation, and test-driven development including unit tests, integration tests, and end-to-end testing strategies. | 9 items | testing, tdd, automation, unit-tests, integration, playwright, jest, nunit |
-| [the-workshop](../plugins/the-workshop/README.md) | Stop being the switchboard between your AI agents — direct a team. The Workshop puts long-running AI agents (desks) in the same room, on the same work, each with its own memory and history, sharing one workspace so you direct the work instead of relaying it. | 5 items | multi-agent, coordination, desks, persistent-memory, agent-signals, developer-experience |
+| [the-workshop](../plugins/the-workshop/README.md) | Stop being the switchboard between your AI agents — direct a team. The Workshop puts long-running AI agents (desks) in the same room, on the same work, each with its own memory and history, sharing one workspace so you direct the work instead of relaying it. | 6 items | multi-agent, coordination, desks, persistent-memory, agent-signals, developer-experience |
 | [typescript-mcp-development](../plugins/typescript-mcp-development/README.md) | Complete toolkit for building Model Context Protocol (MCP) servers in TypeScript/Node.js using the official SDK. Includes instructions for best practices, a prompt for generating servers, and an expert chat mode for guidance. | 2 items | typescript, mcp, model-context-protocol, nodejs, server-development |
 | [typespec-m365-copilot](../plugins/typespec-m365-copilot/README.md) | Comprehensive collection of prompts, instructions, and resources for building declarative agents and API plugins using TypeSpec for Microsoft 365 Copilot extensibility. | 3 items | typespec, m365-copilot, declarative-agents, api-plugins, agent-development, microsoft-365 |
 | [visual-pr](../plugins/visual-pr/README.md) | Capture, annotate, and embed screenshots and animated GIF demos in pull request descriptions. Includes Playwright-based UI capture, PIL image annotations, PR embedding workflows for GitHub and Azure DevOps, and screen recording with variable timing. | 4 items | screenshots, pull-request, before-after, annotations, playwright, gif, screen-recording, visual |

docs/README.skills.md

@@ -405,5 +405,6 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-skills) for guidelines on how to
 | [winmd-api-search](../skills/winmd-api-search/SKILL.md)<br />`gh skills install github/awesome-copilot winmd-api-search` | Find and explore Windows desktop APIs. Use when building features that need platform capabilities — camera, file access, notifications, UI controls, AI/ML, sensors, networking, etc. Discovers the right API for a task and retrieves full type details (methods, properties, events, enumeration values). | `LICENSE.txt`<br />`scripts/Invoke-WinMdQuery.ps1`<br />`scripts/Update-WinMdCache.ps1`<br />`scripts/cache-generator` |
 | [winui3-migration-guide](../skills/winui3-migration-guide/SKILL.md)<br />`gh skills install github/awesome-copilot winui3-migration-guide` | UWP-to-WinUI 3 migration reference. Maps legacy UWP APIs to correct Windows App SDK equivalents with before/after code snippets. Covers namespace changes, threading (CoreDispatcher to DispatcherQueue), windowing (CoreWindow to AppWindow), dialogs, pickers, sharing, printing, background tasks, and the most common Copilot code generation mistakes. | None |
 | [workiq-copilot](../skills/workiq-copilot/SKILL.md)<br />`gh skills install github/awesome-copilot workiq-copilot` | Guides the Copilot CLI on how to use the WorkIQ CLI/MCP server to query Microsoft 365 Copilot data (emails, meetings, docs, Teams, people) for live context, summaries, and recommendations. | None |
+| [workshop-create](../skills/workshop-create/SKILL.md)<br />`gh skills install github/awesome-copilot workshop-create` | Create a new workshop or use an existing directory as one. Handles two paths: (A) use an existing local directory the operator points at, or (B) create a new private GitHub repo in the signed-in account. Never creates a repo inside another repo. | None |
 | [write-coding-standards-from-file](../skills/write-coding-standards-from-file/SKILL.md)<br />`gh skills install github/awesome-copilot write-coding-standards-from-file` | Write a coding standards document for a project using the coding styles from the file(s) and/or folder(s) passed as arguments in the prompt. | None |
 | [x-twitter-scraper](../skills/x-twitter-scraper/SKILL.md)<br />`gh skills install github/awesome-copilot x-twitter-scraper` | Build GitHub Copilot workflows with Xquik X API SDKs, REST endpoints, MCP tools, TweetClaw OpenClaw plugin installs, signed webhooks, tweet search, user lookup, follower exports, media actions, and agent automation. | None |