Add codex-obsidian to community plugins list (#54)

Author: greg-asher

README.md

@@ -101,6 +101,7 @@ Third-party plugins built by the community. [PRs welcome](#contributing)!
 - [Chrome DevTools](https://github.com/win4r/chrome-devtools-codex-plugin) - One-click Codex plugin wrapper for chrome-devtools-mcp.
 - [Codex Be Serious](https://github.com/lulucatdev/codex-be-serious) - Enforce formal, textbook-grade written register across all agent output.
 - [Codex Mem](https://github.com/2kDarki/codex-mem) - Automatically capture, compress, and inject session context back into future Codex sessions.
+- [Codex Obsidian](https://github.com/greg-asher/codex-obsidian) - Local Obsidian note and vault workflows through the official desktop `obsidian` CLI.
 - [Codex SEO](https://github.com/BestLemoon/codex-seo) - Full-stack SEO audits, Google API workflows, backlinks analysis, reporting, and optional MCP extensions for Codex.
 - [Context Pack](https://github.com/Rothschildiuk/context-pack) - Generate compact first-pass repository briefings for coding agents before deeper exploration.
 - [Flow Studio Power Automate](https://github.com/ninihen1/power-automate-mcp-skills) - Debug, build, and operate Power Automate flows via FlowStudio MCP with action-level inputs and outputs.