refactor(skills): adopt infra-copilot plugin, drop in-repo infra-setup

.claude/infra-copilot.local.md

@@ -0,0 +1,17 @@
+---
+hcp_org: perishdev
+github_org: perishdev
+apex_domain: perish.dev
+cloudflare_account_id: d8a72309e747515805b614574ea7f323
+cloudflare_zone_id: 78ff9bdc9f1a38c01a935d3d079b1e7b
+managed_repos:
+  - perishdev/infra
+  - perishdev/perishdev.github.io
+hcp_status_check_id: repo-id-CffUfWW6H1x6Bauq
+---
+
+# infra-copilot config — perishdev / perish.dev
+
+Public identifiers for this repo, read by the `infra-copilot` plugin's `infra-setup`
+skill at startup (Step 0). Sensitive data lives in HCP workspace variables, never here.
+See the plugin's `skills/infra-setup/references/config.md` for the schema.

.claude/settings.json

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+{
+  "extraKnownMarketplaces": {
+    "infra-copilot": {
+      "source": {
+        "source": "github",
+        "repo": "hasansezertasan/infra-copilot"
+      },
+      "autoUpdate": false
+    }
+  },
+  "enabledPlugins": {
+    "infra-copilot@infra-copilot": true
+  }
+}