Move skills to .agent directory

.agents/skills/agent-ready-cloudflare/llms-txt/SKILL.md

@@ -0,0 +1,28 @@
+---
+name: agent-ready-llms-txt
+description: >
+  Sub-skill de agent-ready-cloudflare: Implement llms.txt
+---
+# Implement llms.txt
+
+Publish an LLM-friendly overview of your site per
+[llmstxt.org](https://llmstxt.org/).
+
+## Requirements
+
+- Serve `/llms.txt` as plain text (UTF-8) with HTTP 200
+- Start with an H1 (`# Site Name`) title line
+- Include a short summary paragraph describing your site
+- Link to the most important content sections for agents
+- Optionally link to `/llms-full.txt` for expanded content
+
+## Validate
+
+```
+POST https://isitagentready.com/api/scan
+Content-Type: application/json
+
+{"url": "https://YOUR-SITE.com"}
+```
+
+Confirm your deployed site serves `/llms.txt` exactly as intended.