docs: apply fleet-template (16-artifact scaffold)

Adds missing standard artifacts:
- README.md (if missing)
- AGENTS.md (AI agent contract)
- PLAN.md (current sprint)
- STATUS.md (where we are)
- DEVELOPMENT.md (dev workflow)
- DEPLOYMENT.md (deploy procedure)
- TESTING.md (test strategy)
- DECISIONS.md (ADR index + templates)
- .github/CODEOWNERS
- .github/workflows/ci.yml

Preserves all existing artifacts.

Refs: RugMunchMedia/fleet-template

templates/zara-product.json

@@ -0,0 +1,51 @@
+{
+  "name": "ZARA Product",
+  "description": "Extract product details from ZARA",
+  "site": "zara.com",
+  "category": "ecommerce",
+  "icon": "\ud83d\udc55",
+  "schema": {
+    "name": "zara_product",
+    "base_selector": ".product-detail",
+    "fields": [
+      {
+        "name": "title",
+        "selector": "h1",
+        "type": "text"
+      },
+      {
+        "name": "price",
+        "selector": "[class*='price']",
+        "type": "text",
+        "transform": "float"
+      },
+      {
+        "name": "description",
+        "selector": "[class*='description']",
+        "type": "text"
+      },
+      {
+        "name": "image_url",
+        "selector": "[class*='image'] img, .product-image img",
+        "type": "attribute",
+        "attribute": "src"
+      },
+      {
+        "name": "color_options",
+        "selector": "[class*='color']",
+        "type": "count"
+      },
+      {
+        "name": "size_options",
+        "selector": "[class*='size']",
+        "type": "count"
+      },
+      {
+        "name": "reference",
+        "selector": "[class*='reference']",
+        "type": "text"
+      }
+    ]
+  },
+  "url_pattern": "*://www.zara.com/*"
+}