Add AgentDocx SpecKit V2 extension to community catalog

Add agentdocx-speckitv2 extension submitted by @ahmed200346 to:
- extensions/catalog.community.json (alphabetical order)
- docs/community/extensions.md community extensions table

Closes #4342

Assisted-by: GitHub Copilot (model: claude-sonnet-4.6, autonomous)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: github-actions[bot]

docs/community/extensions.md

@@ -29,6 +29,7 @@ The following community-contributed extensions are available in [`catalog.commun
 | Agent Assign | Assign specialized Claude Code agents to spec-kit tasks for targeted execution | `process` | Read+Write | [spec-kit-agent-assign](https://github.com/xymelon/spec-kit-agent-assign) |
 | Agent Governance | Generate agent-platform repository governance files from Spec Kit metadata | `process` | Read+Write | [spec-kit-agent-governance](https://github.com/bigsmartben/spec-kit-agent-governance) |
 | AgentDocx | Full-stack multi-agent specification pipeline with VS Code extension control, automated Kanban/Jira sync, and React monitoring dashboard | `integration` | Read+Write | [extension-github-spec-kit](https://github.com/abir-ommezzine/extension-github-spec-kit) |
+| AgentDocx SpecKit V2 | AgentDocx evolved: same pipeline + far more autonomous Ticket Manager (5 CLI, per-project Kanban, bulk sync, auto-switch, Auditor). | `integration` | Read+Write | [Extension_GithubSpecKit](https://github.com/ahmed200346/Extension_GithubSpecKit) |
 | AgentPay x402 — Spend Controls for Spec Kit Agents | Set USDC spending caps and execute x402 payments to paid APIs during spec implementation. Zero platform fee on Base L2 | `integration` | Read+Write | [spec-kit-pay-x402](https://github.com/shawnhvac/spec-kit-pay-x402) |
 | AI-Driven Engineering (AIDE) | A structured 7-step workflow for building new projects from scratch with AI assistants — from vision through implementation | `process` | Read+Write | [aide](https://github.com/mnriem/spec-kit-extensions/tree/main/aide) |
 | Analytics | Measure what your AI builds, and how much time it saves you | `visibility` | Read+Write | [spec-kit-analytics](https://github.com/Fyloss/spec-kit-analytics) |