Add OpenClaw local and Mac mini setup skill

infrastructure/cloudflare/cloudflare-r2/SKILL.md

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+---
+name: cloudflare-r2
+description: Manage Cloudflare R2 buckets, lifecycle, and signed URLs. Use for low-egress object storage and media delivery.
+license: MIT
+metadata:
+  author: devops-skills
+  version: "1.0"
+---
+
+# Cloudflare R2
+
+Use S3-compatible object storage without egress fees.
+
+## Setup
+
+```bash
+# Create bucket
+npx wrangler r2 bucket create app-assets
+
+# List buckets
+npx wrangler r2 bucket list
+
+# Upload object
+npx wrangler r2 object put app-assets/logo.png --file ./logo.png
+```
+
+## S3-Compatible Access
+
+- Generate R2 API tokens with least privilege.
+- Use endpoint format: `https://<accountid>.r2.cloudflarestorage.com`.
+- Configure lifecycle rules for archive/delete.
+
+## Best Practices
+
+- Use short-lived signed URLs for private content.
+- Store user uploads in tenant-specific prefixes.
+- Enable object versioning for recovery-critical buckets.
+
+## Related Skills
+
+- [cloudflare-workers](../cloudflare-workers/) - Signed URL generation
+- [object-storage](../../storage/object-storage/) - Storage patterns