Add ADHX to Community Skills (#124)

Adds ADHX (https://adhx.com) to the Community Skills table.

ADHX is an open-source Claude Code skill that fetches any X/Twitter post as clean LLM-friendly JSON. No scraping or browser required. Works with both regular tweets and full X Articles.

Install:
- /plugin marketplace add itsmemeworks/adhx
- curl -sL https://raw.githubusercontent.com/itsmemeworks/adhx/main/skills/adhx/SKILL.md -o ~/.claude/skills/adhx/SKILL.md

Source: https://github.com/itsmemeworks/adhx

README.md

@@ -485,6 +485,7 @@ Thirty-five curated skill modules included in this repo, with access to **400,00
 | [claude-skills](https://github.com/alirezarezvani/claude-skills) | `git clone` | 192 production-ready skills across 9 domains (engineering, marketing, product, compliance, C-level advisory) with 254 Python automation tools. 5,300+ stars |
 | [n8n-skills](https://github.com/czlonkowski/n8n-skills) | `git clone` | 7 complementary skills for building production-ready n8n workflows. Covers 525+ nodes, 2,653+ templates. 3,400+ stars |
 | [claude-code-best-practice](https://github.com/shanraisshan/claude-code-best-practice) | `git clone` | Comprehensive reference implementation for Claude Code configuration -- skills, subagents, hooks, commands with practical examples. 17,400+ stars |
+| [ADHX](https://github.com/itsmemeworks/adhx) | `/plugin marketplace add itsmemeworks/adhx` or `curl -sL https://raw.githubusercontent.com/itsmemeworks/adhx/main/skills/adhx/SKILL.md -o ~/.claude/skills/adhx/SKILL.md` | Fetch any X/Twitter post as clean LLM-friendly JSON — no scraping, works with tweets and full X Articles |
 
 ### Installing Skills