feat: Add Project Documenter Plugin with agents and skills (#1436)

* feat: Add Project Documenter Plugin with agents and skills

- Auto-discovers technology stack and project structure
- Generates architecture diagrams with draw.io
- Creates professional Word (.docx) output with embedded PNG images
- Includes agents for orchestration and skills for functionality

* chore: moved agents, skills and scripts to respective folders

* chore: ran npm run build for readme updates

* Update plugins/project-documenter/.github/plugin/plugin.json

Co-authored-by: Aaron Powell <me@aaron-powell.com>

* fix: readme.agent.md file

* fix: added the missing agent file and updated readme for the same

---------

Co-authored-by: Aaron Powell <me@aaron-powell.com>

docs/README.skills.md

@@ -139,6 +139,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-skills) for guidelines on how to
 | [dotnet-upgrade](../skills/dotnet-upgrade/SKILL.md)<br />`gh skills install github/awesome-copilot dotnet-upgrade` | Ready-to-use prompts for comprehensive .NET framework upgrade analysis and execution | None |
 | [doublecheck](../skills/doublecheck/SKILL.md)<br />`gh skills install github/awesome-copilot doublecheck` | Three-layer verification pipeline for AI output. Extracts verifiable claims, finds supporting or contradicting sources via web search, runs adversarial review for hallucination patterns, and produces a structured verification report with source links for human review. | `assets/verification-report-template.md` |
 | [draw-io-diagram-generator](../skills/draw-io-diagram-generator/SKILL.md)<br />`gh skills install github/awesome-copilot draw-io-diagram-generator` | Use when creating, editing, or generating draw.io diagram files (.drawio, .drawio.svg, .drawio.png). Covers mxGraph XML authoring, shape libraries, style strings, flowcharts, system architecture, sequence diagrams, ER diagrams, UML class diagrams, network topology, layout strategy, the hediet.vscode-drawio VS Code extension, and the full agent workflow from request to a ready-to-open file. | `assets/templates`<br />`references/drawio-xml-schema.md`<br />`references/shape-libraries.md`<br />`references/style-reference.md`<br />`scripts/.gitignore`<br />`scripts/README.md`<br />`scripts/add-shape.py`<br />`scripts/validate-drawio.py` |
+| [drawio](../skills/drawio/SKILL.md)<br />`gh skills install github/awesome-copilot drawio` | Generate draw.io diagrams as .drawio files and export to PNG/SVG/PDF with embedded XML | `scripts/drawio-to-png.mjs`<br />`scripts/package.json` |
 | [editorconfig](../skills/editorconfig/SKILL.md)<br />`gh skills install github/awesome-copilot editorconfig` | Generates a comprehensive and best-practice-oriented .editorconfig file based on project analysis and user preferences. | None |
 | [ef-core](../skills/ef-core/SKILL.md)<br />`gh skills install github/awesome-copilot ef-core` | Get best practices for Entity Framework Core | None |
 | [email-drafter](../skills/email-drafter/SKILL.md)<br />`gh skills install github/awesome-copilot email-drafter` | Draft and review professional emails that match your personal writing style. Analyzes your sent emails for tone, greeting, structure, and sign-off patterns via WorkIQ, then generates context-aware drafts for any recipient. USE FOR: draft email, write email, compose email, reply email, follow-up email, analyze email tone, email style. | None |
@@ -214,6 +215,7 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md#adding-skills) for guidelines on how to
 | [mcp-create-declarative-agent](../skills/mcp-create-declarative-agent/SKILL.md)<br />`gh skills install github/awesome-copilot mcp-create-declarative-agent` | Skill converted from mcp-create-declarative-agent.prompt.md | None |
 | [mcp-deploy-manage-agents](../skills/mcp-deploy-manage-agents/SKILL.md)<br />`gh skills install github/awesome-copilot mcp-deploy-manage-agents` | Skill converted from mcp-deploy-manage-agents.prompt.md | None |
 | [mcp-security-audit](../skills/mcp-security-audit/SKILL.md)<br />`gh skills install github/awesome-copilot mcp-security-audit` | Audit MCP (Model Context Protocol) server configurations for security issues. Use this skill when:<br />- Reviewing .mcp.json files for security risks<br />- Checking MCP server args for hardcoded secrets or shell injection patterns<br />- Validating that MCP servers use pinned versions (not @latest)<br />- Detecting unpinned dependencies in MCP server configurations<br />- Auditing which MCP servers a project registers and whether they're on an approved list<br />- Checking for environment variable usage vs. hardcoded credentials in MCP configs<br />- Any request like "is my MCP config secure?", "audit my MCP servers", or "check .mcp.json"<br />keywords: [mcp, security, audit, secrets, shell-injection, supply-chain, governance] | None |
+| [md-to-docx](../skills/md-to-docx/SKILL.md)<br />`gh skills install github/awesome-copilot md-to-docx` | Convert Markdown files to professionally formatted Word (.docx) documents with embedded PNG images — pure JavaScript, no external tools required | `scripts/md-to-docx.mjs`<br />`scripts/package.json` |
 | [meeting-minutes](../skills/meeting-minutes/SKILL.md)<br />`gh skills install github/awesome-copilot meeting-minutes` | Generate concise, actionable meeting minutes for internal meetings. Includes metadata, attendees, agenda, decisions, action items (owner + due date), and follow-up steps. | None |
 | [memory-merger](../skills/memory-merger/SKILL.md)<br />`gh skills install github/awesome-copilot memory-merger` | Merges mature lessons from a domain memory file into its instruction file. Syntax: `/memory-merger >domain [scope]` where scope is `global` (default), `user`, `workspace`, or `ws`. | None |
 | [mentoring-juniors](../skills/mentoring-juniors/SKILL.md)<br />`gh skills install github/awesome-copilot mentoring-juniors` | Socratic mentoring for junior developers and AI newcomers. Guides through questions, never answers. Triggers: "help me understand", "explain this code", "I'm stuck", "Im stuck", "I'm confused", "Im confused", "I don't understand", "I dont understand", "can you teach me", "teach me", "mentor me", "guide me", "what does this error mean", "why doesn't this work", "why does not this work", "I'm a beginner", "Im a beginner", "I'm learning", "Im learning", "I'm new to this", "Im new to this", "walk me through", "how does this work", "what's wrong with my code", "what's wrong", "can you break this down", "ELI5", "step by step", "where do I start", "what am I missing", "newbie here", "junior dev", "first time using", "how do I", "what is", "is this right", "not sure", "need help", "struggling", "show me", "help me debug", "best practice", "too complex", "overwhelmed", "lost", "debug this", "/socratic", "/hint", "/concept", "/pseudocode". Progressive clue systems, teaching techniques, and success metrics. | None |